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Diffstat (limited to 'wolfssl/internal.h')
| -rw-r--r-- | wolfssl/internal.h | 4613 |
1 files changed, 4613 insertions, 0 deletions
diff --git a/wolfssl/internal.h b/wolfssl/internal.h new file mode 100644 index 0000000..ab04b3d --- /dev/null +++ b/wolfssl/internal.h @@ -0,0 +1,4613 @@ +/* internal.h + * + * Copyright (C) 2006-2020 wolfSSL Inc. + * + * This file is part of wolfSSL. + * + * wolfSSL is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * wolfSSL is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA + */ + + + +#ifndef WOLFSSL_INT_H +#define WOLFSSL_INT_H + + +#include <wolfssl/wolfcrypt/types.h> +#include <wolfssl/ssl.h> +#ifdef HAVE_CRL + #include <wolfssl/crl.h> +#endif +#include <wolfssl/wolfcrypt/random.h> +#ifndef NO_DES3 + #include <wolfssl/wolfcrypt/des3.h> +#endif +#ifndef NO_HC128 + #include <wolfssl/wolfcrypt/hc128.h> +#endif +#ifndef NO_RABBIT + #include <wolfssl/wolfcrypt/rabbit.h> +#endif +#ifdef HAVE_CHACHA + #include <wolfssl/wolfcrypt/chacha.h> +#endif +#ifndef NO_ASN + #include <wolfssl/wolfcrypt/asn.h> + #include <wolfssl/wolfcrypt/pkcs12.h> +#endif +#ifndef NO_MD5 + #include <wolfssl/wolfcrypt/md5.h> +#endif +#ifndef NO_SHA + #include <wolfssl/wolfcrypt/sha.h> +#endif +#ifndef NO_AES + #include <wolfssl/wolfcrypt/aes.h> +#endif +#ifdef HAVE_POLY1305 + #include <wolfssl/wolfcrypt/poly1305.h> +#endif +#ifdef HAVE_CAMELLIA + #include <wolfssl/wolfcrypt/camellia.h> +#endif +#include <wolfssl/wolfcrypt/logging.h> +#ifndef NO_HMAC + #include <wolfssl/wolfcrypt/hmac.h> +#endif +#ifndef NO_RC4 + #include <wolfssl/wolfcrypt/arc4.h> +#endif +#ifndef NO_SHA256 + #include <wolfssl/wolfcrypt/sha256.h> +#endif +#ifdef HAVE_OCSP + #include <wolfssl/ocsp.h> +#endif +#ifdef WOLFSSL_SHA384 + #include <wolfssl/wolfcrypt/sha512.h> +#endif +#ifdef WOLFSSL_SHA512 + #include <wolfssl/wolfcrypt/sha512.h> +#endif +#ifdef HAVE_AESGCM + #include <wolfssl/wolfcrypt/sha512.h> +#endif +#ifdef WOLFSSL_RIPEMD + #include <wolfssl/wolfcrypt/ripemd.h> +#endif +#ifdef HAVE_IDEA + #include <wolfssl/wolfcrypt/idea.h> +#endif +#ifndef NO_RSA + #include <wolfssl/wolfcrypt/rsa.h> +#endif +#ifdef HAVE_ECC + #include <wolfssl/wolfcrypt/ecc.h> +#endif +#ifndef NO_DH + #include <wolfssl/wolfcrypt/dh.h> +#endif +#ifdef HAVE_ED25519 + #include <wolfssl/wolfcrypt/ed25519.h> +#endif +#ifdef HAVE_CURVE25519 + #include <wolfssl/wolfcrypt/curve25519.h> +#endif +#ifdef HAVE_ED448 + #include <wolfssl/wolfcrypt/ed448.h> +#endif +#ifdef HAVE_CURVE448 + #include <wolfssl/wolfcrypt/curve448.h> +#endif + +#include <wolfssl/wolfcrypt/wc_encrypt.h> +#include <wolfssl/wolfcrypt/hash.h> + +#if defined(WOLFSSL_CALLBACKS) || defined(OPENSSL_EXTRA) + #include <wolfssl/callbacks.h> +#endif +#ifdef WOLFSSL_CALLBACKS + #include <signal.h> +#endif + +#ifdef USE_WINDOWS_API + #ifdef WOLFSSL_GAME_BUILD + #include "system/xtl.h" + #else + #if defined(_WIN32_WCE) || defined(WIN32_LEAN_AND_MEAN) + /* On WinCE winsock2.h must be included before windows.h */ + #include <winsock2.h> + #endif + #include <windows.h> + #endif +#elif defined(THREADX) + #ifndef SINGLE_THREADED + #include "tx_api.h" + #endif + +#elif defined(WOLFSSL_DEOS) + /* do nothing, just don't pick Unix */ +#elif defined(MICRIUM) + /* do nothing, just don't pick Unix */ +#elif defined(FREERTOS) || defined(FREERTOS_TCP) || defined(WOLFSSL_SAFERTOS) + /* do nothing */ +#elif defined(EBSNET) + /* do nothing */ +#elif defined(FREESCALE_MQX) || defined(FREESCALE_KSDK_MQX) + /* do nothing */ +#elif defined(FREESCALE_FREE_RTOS) + #include "fsl_os_abstraction.h" +#elif defined(WOLFSSL_uITRON4) + /* do nothing */ +#elif defined(WOLFSSL_uTKERNEL2) + /* do nothing */ +#elif defined(WOLFSSL_CMSIS_RTOS) + #include "cmsis_os.h" +#elif defined(WOLFSSL_CMSIS_RTOSv2) + #include "cmsis_os2.h" +#elif defined(WOLFSSL_MDK_ARM) + #if defined(WOLFSSL_MDK5) + #include "cmsis_os.h" + #else + #include <rtl.h> + #endif +#elif defined(MBED) +#elif defined(WOLFSSL_TIRTOS) + /* do nothing */ +#elif defined(INTIME_RTOS) + #include <rt.h> +#elif defined(WOLFSSL_NUCLEUS_1_2) + /* do nothing */ +#elif defined(WOLFSSL_APACHE_MYNEWT) + #if !defined(WOLFSSL_LWIP) + void mynewt_ctx_clear(void *ctx); + void* mynewt_ctx_new(); + #endif +#elif defined(WOLFSSL_ZEPHYR) + #ifndef SINGLE_THREADED + #include <kernel.h> + #endif +#elif defined(WOLFSSL_TELIT_M2MB) + /* do nothing */ +#else + #ifndef SINGLE_THREADED + #define WOLFSSL_PTHREADS + #include <pthread.h> + #endif + #if defined(OPENSSL_EXTRA) && !defined(NO_FILESYSTEM) + #include <unistd.h> /* for close of BIO */ + #endif +#endif + +#ifndef CHAR_BIT + /* Needed for DTLS without big math */ + #include <limits.h> +#endif + + +#ifdef HAVE_LIBZ + #include "zlib.h" +#endif + +#ifdef WOLFSSL_ASYNC_CRYPT + #include <wolfssl/wolfcrypt/async.h> +#endif + +#ifdef OPENSSL_EXTRA + #ifdef WOLFCRYPT_HAVE_SRP + #include <wolfssl/wolfcrypt/srp.h> + #endif +#endif + +#ifdef _MSC_VER + /* 4996 warning to use MS extensions e.g., strcpy_s instead of strncpy */ + #pragma warning(disable: 4996) +#endif + +#ifdef NO_SHA + #define WC_SHA_DIGEST_SIZE 20 +#endif + +#ifdef NO_SHA256 + #define WC_SHA256_DIGEST_SIZE 32 +#endif + +#ifdef NO_MD5 + #define WC_MD5_DIGEST_SIZE 16 +#endif + + +#ifdef __cplusplus + extern "C" { +#endif + +/* Define or comment out the cipher suites you'd like to be compiled in + make sure to use at least one BUILD_SSL_xxx or BUILD_TLS_xxx is defined + + When adding cipher suites, add name to cipher_names, idx to cipher_name_idx + + Now that there is a maximum strength crypto build, the following BUILD_XXX + flags need to be divided into two groups selected by WOLFSSL_MAX_STRENGTH. + Those that do not use Perfect Forward Security and do not use AEAD ciphers + need to be switched off. Allowed suites use (EC)DHE, AES-GCM|CCM, or + CHACHA-POLY. +*/ + +/* Check that if WOLFSSL_MAX_STRENGTH is set that all the required options are + * not turned off. */ +#if defined(WOLFSSL_MAX_STRENGTH) && \ + ((!defined(HAVE_ECC) && (defined(NO_DH) || defined(NO_RSA))) || \ + (!defined(HAVE_AESGCM) && !defined(HAVE_AESCCM) && \ + (!defined(HAVE_POLY1305) || !defined(HAVE_CHACHA))) || \ + (defined(NO_SHA256) && !defined(WOLFSSL_SHA384)) || \ + !defined(NO_OLD_TLS)) + + #error "You are trying to build max strength with requirements disabled." +#endif + +/* Have QSH : Quantum-safe Handshake */ +#if defined(HAVE_QSH) + #define BUILD_TLS_QSH +#endif + +#ifndef WOLFSSL_NO_TLS12 + +#ifndef WOLFSSL_MAX_STRENGTH + +#ifdef WOLFSSL_AEAD_ONLY + /* AES CBC ciphers are not allowed in AEAD only mode */ + #undef HAVE_AES_CBC +#endif + +#ifndef WOLFSSL_AEAD_ONLY + #if !defined(NO_RSA) && !defined(NO_RC4) + #if defined(WOLFSSL_STATIC_RSA) + #if !defined(NO_SHA) + #define BUILD_SSL_RSA_WITH_RC4_128_SHA + #endif + #if !defined(NO_MD5) + #define BUILD_SSL_RSA_WITH_RC4_128_MD5 + #endif + #endif + #if !defined(NO_TLS) && defined(HAVE_NTRU) && !defined(NO_SHA) \ + && defined(WOLFSSL_STATIC_RSA) + #define BUILD_TLS_NTRU_RSA_WITH_RC4_128_SHA + #endif + #endif + + #if !defined(NO_RSA) && !defined(NO_DES3) + #if !defined(NO_SHA) + #if defined(WOLFSSL_STATIC_RSA) + #define BUILD_SSL_RSA_WITH_3DES_EDE_CBC_SHA + #endif + #if !defined(NO_TLS) && defined(HAVE_NTRU) \ + && defined(WOLFSSL_STATIC_RSA) + #define BUILD_TLS_NTRU_RSA_WITH_3DES_EDE_CBC_SHA + #endif + #endif + #endif + + #if !defined(NO_RSA) && defined(HAVE_IDEA) + #if !defined(NO_SHA) && defined(WOLFSSL_STATIC_RSA) + #define BUILD_SSL_RSA_WITH_IDEA_CBC_SHA + #endif + #endif +#endif /* !WOLFSSL_AEAD_ONLY */ + + #if !defined(NO_RSA) && !defined(NO_AES) && !defined(NO_TLS) + #if !defined(NO_SHA) && defined(HAVE_AES_CBC) + #if defined(WOLFSSL_STATIC_RSA) + #ifdef WOLFSSL_AES_128 + #define BUILD_TLS_RSA_WITH_AES_128_CBC_SHA + #endif + #ifdef WOLFSSL_AES_256 + #define BUILD_TLS_RSA_WITH_AES_256_CBC_SHA + #endif + #endif + #if defined(HAVE_NTRU) && defined(WOLFSSL_STATIC_RSA) + #ifdef WOLFSSL_AES_128 + #define BUILD_TLS_NTRU_RSA_WITH_AES_128_CBC_SHA + #endif + #ifdef WOLFSSL_AES_256 + #define BUILD_TLS_NTRU_RSA_WITH_AES_256_CBC_SHA + #endif + #endif + #endif + #if defined(WOLFSSL_STATIC_RSA) + #if !defined (NO_SHA256) && defined(HAVE_AES_CBC) + #ifdef WOLFSSL_AES_128 + #define BUILD_TLS_RSA_WITH_AES_128_CBC_SHA256 + #endif + #ifdef WOLFSSL_AES_256 + #define BUILD_TLS_RSA_WITH_AES_256_CBC_SHA256 + #endif + #endif + #if defined (HAVE_AESGCM) + #ifdef WOLFSSL_AES_128 + #define BUILD_TLS_RSA_WITH_AES_128_GCM_SHA256 + #endif + #if defined (WOLFSSL_SHA384) && defined(WOLFSSL_AES_256) + #define BUILD_TLS_RSA_WITH_AES_256_GCM_SHA384 + #endif + #endif + #if defined (HAVE_AESCCM) + #ifdef WOLFSSL_AES_128 + #define BUILD_TLS_RSA_WITH_AES_128_CCM_8 + #endif + #ifdef WOLFSSL_AES_256 + #define BUILD_TLS_RSA_WITH_AES_256_CCM_8 + #endif + #endif + #endif + #endif + + #if defined(HAVE_CAMELLIA) && !defined(NO_TLS) && !defined(NO_CAMELLIA_CBC) + #ifndef NO_RSA + #if defined(WOLFSSL_STATIC_RSA) + #if !defined(NO_SHA) + #define BUILD_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA + #define BUILD_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA + #endif + #ifndef NO_SHA256 + #define BUILD_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256 + #define BUILD_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256 + #endif + #endif + #if !defined(NO_DH) + #if !defined(NO_SHA) + #define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA + #define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA + #endif + #ifndef NO_SHA256 + #define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 + #define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256 + #endif + #endif + #endif + #endif + +#if defined(WOLFSSL_STATIC_PSK) + #if !defined(NO_PSK) && !defined(NO_AES) && !defined(NO_TLS) + #if !defined(NO_SHA) + #ifdef WOLFSSL_AES_128 + #define BUILD_TLS_PSK_WITH_AES_128_CBC_SHA + #endif + #ifdef WOLFSSL_AES_256 + #define BUILD_TLS_PSK_WITH_AES_256_CBC_SHA + #endif + #endif + #ifndef NO_SHA256 + #ifdef WOLFSSL_AES_128 + #ifdef HAVE_AES_CBC + #define BUILD_TLS_PSK_WITH_AES_128_CBC_SHA256 + #endif + #ifdef HAVE_AESGCM + #define BUILD_TLS_PSK_WITH_AES_128_GCM_SHA256 + #endif + #endif /* WOLFSSL_AES_128 */ + #ifdef HAVE_AESCCM + #ifdef WOLFSSL_AES_128 + #define BUILD_TLS_PSK_WITH_AES_128_CCM_8 + #define BUILD_TLS_PSK_WITH_AES_128_CCM + #endif + #ifdef WOLFSSL_AES_256 + #define BUILD_TLS_PSK_WITH_AES_256_CCM_8 + #define BUILD_TLS_PSK_WITH_AES_256_CCM + #endif + #endif + #endif + #if defined(WOLFSSL_SHA384) && defined(WOLFSSL_AES_256) + #ifdef HAVE_AES_CBC + #define BUILD_TLS_PSK_WITH_AES_256_CBC_SHA384 + #endif + #ifdef HAVE_AESGCM + #define BUILD_TLS_PSK_WITH_AES_256_GCM_SHA384 + #endif + #endif + #endif +#endif + + #if !defined(NO_TLS) && defined(HAVE_NULL_CIPHER) + #if !defined(NO_RSA) + #if defined(WOLFSSL_STATIC_RSA) + #ifndef NO_MD5 + #define BUILD_TLS_RSA_WITH_NULL_MD5 + #endif + #if !defined(NO_SHA) + #define BUILD_TLS_RSA_WITH_NULL_SHA + #endif + #ifndef NO_SHA256 + #define BUILD_TLS_RSA_WITH_NULL_SHA256 + #endif + #endif + #endif + #if !defined(NO_PSK) && defined(WOLFSSL_STATIC_PSK) + #if !defined(NO_SHA) + #define BUILD_TLS_PSK_WITH_NULL_SHA + #endif + #ifndef NO_SHA256 + #define BUILD_TLS_PSK_WITH_NULL_SHA256 + #endif + #ifdef WOLFSSL_SHA384 + #define BUILD_TLS_PSK_WITH_NULL_SHA384 + #endif + #endif + #endif + +#if defined(WOLFSSL_STATIC_RSA) + #if !defined(NO_HC128) && !defined(NO_RSA) && !defined(NO_TLS) + #ifndef NO_MD5 + #define BUILD_TLS_RSA_WITH_HC_128_MD5 + #endif + #if !defined(NO_SHA) + #define BUILD_TLS_RSA_WITH_HC_128_SHA + #endif + #endif + + #if !defined(NO_RABBIT) && !defined(NO_TLS) && !defined(NO_RSA) + #if !defined(NO_SHA) + #define BUILD_TLS_RSA_WITH_RABBIT_SHA + #endif + #endif +#endif + + #if !defined(NO_DH) && !defined(NO_AES) && !defined(NO_TLS) && \ + !defined(NO_RSA) + + #if !defined(NO_SHA) + #if defined(WOLFSSL_AES_128) && defined(HAVE_AES_CBC) + #define BUILD_TLS_DHE_RSA_WITH_AES_128_CBC_SHA + #endif + #if defined(WOLFSSL_AES_256) && defined(HAVE_AES_CBC) + #define BUILD_TLS_DHE_RSA_WITH_AES_256_CBC_SHA + #endif + #if !defined(NO_DES3) + #define BUILD_TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA + #endif + #endif + #if !defined(NO_SHA256) && defined(HAVE_AES_CBC) + #ifdef WOLFSSL_AES_128 + #define BUILD_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 + #endif + #ifdef WOLFSSL_AES_256 + #define BUILD_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 + #endif + #endif + #endif + + #if defined(HAVE_ANON) && !defined(NO_TLS) && !defined(NO_DH) && \ + !defined(NO_AES) && !defined(NO_SHA) && defined(WOLFSSL_AES_128) + #ifdef HAVE_AES_CBC + #define BUILD_TLS_DH_anon_WITH_AES_128_CBC_SHA + #endif + + #if defined(WOLFSSL_SHA384) && defined(HAVE_AESGCM) + #define BUILD_TLS_DH_anon_WITH_AES_256_GCM_SHA384 + #endif + #endif + + #if !defined(NO_DH) && !defined(NO_PSK) && !defined(NO_TLS) + #ifndef NO_SHA256 + #if !defined(NO_AES) && defined(WOLFSSL_AES_128) && \ + defined(HAVE_AES_CBC) + #define BUILD_TLS_DHE_PSK_WITH_AES_128_CBC_SHA256 + #endif + #ifdef HAVE_NULL_CIPHER + #define BUILD_TLS_DHE_PSK_WITH_NULL_SHA256 + #endif + #endif + #ifdef WOLFSSL_SHA384 + #if !defined(NO_AES) && defined(WOLFSSL_AES_256) && \ + defined(HAVE_AES_CBC) + #define BUILD_TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 + #endif + #ifdef HAVE_NULL_CIPHER + #define BUILD_TLS_DHE_PSK_WITH_NULL_SHA384 + #endif + #endif + #endif + + #if (defined(HAVE_ECC) || defined(HAVE_CURVE25519) || \ + defined(HAVE_CURVE448)) && !defined(NO_TLS) + #if !defined(NO_AES) + #if !defined(NO_SHA) && defined(HAVE_AES_CBC) + #if !defined(NO_RSA) + #ifdef WOLFSSL_AES_128 + #define BUILD_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA + #endif + #ifdef WOLFSSL_AES_256 + #define BUILD_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA + #endif + #if defined(WOLFSSL_STATIC_DH) && defined(HAVE_ECC) + #ifdef WOLFSSL_AES_128 + #define BUILD_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA + #endif + #ifdef WOLFSSL_AES_256 + #define BUILD_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA + #endif + #endif + #endif + + #if defined(HAVE_ECC) || \ + (defined(HAVE_CURVE25519) && defined(HAVE_ED25519)) || \ + (defined(HAVE_CURVE448) && defined(HAVE_ED448)) + #ifdef WOLFSSL_AES_128 + #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA + #endif + #ifdef WOLFSSL_AES_256 + #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA + #endif + #endif + + #if defined(WOLFSSL_STATIC_DH) && defined(HAVE_ECC) + #ifdef WOLFSSL_AES_128 + #define BUILD_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA + #endif + #ifdef WOLFSSL_AES_256 + #define BUILD_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA + #endif + #endif + #endif /* NO_SHA */ + #if !defined(NO_SHA256) && defined(WOLFSSL_AES_128) && \ + defined(HAVE_AES_CBC) + #if !defined(NO_RSA) + #define BUILD_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 + #if defined(WOLFSSL_STATIC_DH) && defined(HAVE_ECC) + #define BUILD_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 + #endif + #endif + #if defined(HAVE_ECC) || \ + (defined(HAVE_CURVE25519) && defined(HAVE_ED25519)) || \ + (defined(HAVE_CURVE448) && defined(HAVE_ED448)) + #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 + #endif + #if defined(WOLFSSL_STATIC_DH) && defined(HAVE_ECC) + #define BUILD_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 + #endif + #endif + + #if defined(WOLFSSL_SHA384) && defined(WOLFSSL_AES_256) && \ + defined(HAVE_AES_CBC) + #if !defined(NO_RSA) + #define BUILD_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 + #if defined(WOLFSSL_STATIC_DH) && defined(HAVE_ECC) + #define BUILD_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 + #endif + #endif + #if defined(HAVE_ECC) || \ + (defined(HAVE_CURVE25519) && defined(HAVE_ED25519)) || \ + (defined(HAVE_CURVE448) && defined(HAVE_ED448)) + #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 + #endif + #if defined(WOLFSSL_STATIC_DH) && defined(HAVE_ECC) + #define BUILD_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 + #endif + #endif + + #if defined (HAVE_AESGCM) + #if !defined(NO_RSA) + #if defined(WOLFSSL_STATIC_DH) && defined(HAVE_ECC) + #ifdef WOLFSSL_AES_128 + #define BUILD_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 + #endif + #endif + #if defined(WOLFSSL_SHA384) + #if defined(WOLFSSL_STATIC_DH) && defined(HAVE_ECC) + #ifdef WOLFSSL_AES_256 + #define BUILD_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384 + #endif + #endif + #endif + #endif + + #if defined(WOLFSSL_STATIC_DH) && defined(WOLFSSL_AES_128) && \ + defined(HAVE_ECC) + #define BUILD_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 + #endif + + #if defined(WOLFSSL_SHA384) + #if defined(WOLFSSL_STATIC_DH) && \ + defined(WOLFSSL_AES_256) && defined(HAVE_ECC) + #define BUILD_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384 + #endif + #endif + #endif + #endif /* NO_AES */ + #if !defined(NO_RC4) + #if !defined(NO_SHA) + #if !defined(NO_RSA) + #ifndef WOLFSSL_AEAD_ONLY + #define BUILD_TLS_ECDHE_RSA_WITH_RC4_128_SHA + #endif + #if defined(WOLFSSL_STATIC_DH) && defined(HAVE_ECC) + #define BUILD_TLS_ECDH_RSA_WITH_RC4_128_SHA + #endif + #endif + + #if defined(HAVE_ECC) || \ + (defined(HAVE_CURVE25519) && defined(HAVE_ED25519)) || \ + (defined(HAVE_CURVE448) && defined(HAVE_ED448)) + #ifndef WOLFSSL_AEAD_ONLY + #define BUILD_TLS_ECDHE_ECDSA_WITH_RC4_128_SHA + #endif + #endif + #if defined(WOLFSSL_STATIC_DH) && defined(HAVE_ECC) + #define BUILD_TLS_ECDH_ECDSA_WITH_RC4_128_SHA + #endif + #endif + #endif + #if !defined(NO_DES3) + #ifndef NO_SHA + #if !defined(NO_RSA) + #define BUILD_TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA + #if defined(WOLFSSL_STATIC_DH) && defined(HAVE_ECC) + #define BUILD_TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA + #endif + #endif + + #if defined(HAVE_ECC) || \ + (defined(HAVE_CURVE25519) && defined(HAVE_ED25519)) || \ + (defined(HAVE_CURVE448) && defined(HAVE_ED448)) + #define BUILD_TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA + #endif + #if defined(WOLFSSL_STATIC_DH) && defined(HAVE_ECC) + #define BUILD_TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA + #endif + #endif /* NO_SHA */ + #endif + #if defined(HAVE_NULL_CIPHER) + #if !defined(NO_SHA) + #if defined(HAVE_ECC) || \ + (defined(HAVE_CURVE25519) && defined(HAVE_ED25519)) || \ + (defined(HAVE_CURVE448) && defined(HAVE_ED448)) + #define BUILD_TLS_ECDHE_ECDSA_WITH_NULL_SHA + #endif + #endif + #if !defined(NO_PSK) && !defined(NO_SHA256) + #define BUILD_TLS_ECDHE_PSK_WITH_NULL_SHA256 + #endif + #endif + #if !defined(NO_PSK) && !defined(NO_SHA256) && !defined(NO_AES) && \ + defined(WOLFSSL_AES_128) && defined(HAVE_AES_CBC) + #define BUILD_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256 + #endif + #endif + #if defined(HAVE_CHACHA) && defined(HAVE_POLY1305) && !defined(NO_SHA256) + #if !defined(NO_OLD_POLY1305) + #if defined(HAVE_ECC) || \ + (defined(HAVE_CURVE25519) && defined(HAVE_ED25519)) || \ + (defined(HAVE_CURVE448) && defined(HAVE_ED448)) + #define BUILD_TLS_ECDHE_ECDSA_WITH_CHACHA20_OLD_POLY1305_SHA256 + #endif + #if !defined(NO_RSA) && defined(HAVE_ECC) + #define BUILD_TLS_ECDHE_RSA_WITH_CHACHA20_OLD_POLY1305_SHA256 + #endif + #if !defined(NO_DH) && !defined(NO_RSA) + #define BUILD_TLS_DHE_RSA_WITH_CHACHA20_OLD_POLY1305_SHA256 + #endif + #endif /* NO_OLD_POLY1305 */ + #if !defined(NO_PSK) + #define BUILD_TLS_PSK_WITH_CHACHA20_POLY1305_SHA256 + #if defined(HAVE_ECC) || defined(HAVE_ED25519) || \ + defined(HAVE_ED448) + #define BUILD_TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256 + #endif + #ifndef NO_DH + #define BUILD_TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256 + #endif + #endif /* !NO_PSK */ + #endif + +#endif /* !WOLFSSL_MAX_STRENGTH */ + +#if !defined(NO_DH) && !defined(NO_AES) && !defined(NO_TLS) && \ + !defined(NO_RSA) && defined(HAVE_AESGCM) + + #if !defined(NO_SHA256) && defined(WOLFSSL_AES_128) + #define BUILD_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 + #endif + + #if defined(WOLFSSL_SHA384) && defined(WOLFSSL_AES_256) + #define BUILD_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 + #endif +#endif + +#if !defined(NO_DH) && !defined(NO_PSK) && !defined(NO_TLS) + #ifndef NO_SHA256 + #if defined(HAVE_AESGCM) && defined(WOLFSSL_AES_128) + #define BUILD_TLS_DHE_PSK_WITH_AES_128_GCM_SHA256 + #endif + #ifdef HAVE_AESCCM + #ifdef WOLFSSL_AES_128 + #define BUILD_TLS_DHE_PSK_WITH_AES_128_CCM + #endif + #ifdef WOLFSSL_AES_256 + #define BUILD_TLS_DHE_PSK_WITH_AES_256_CCM + #endif + #endif + #endif + #if defined(WOLFSSL_SHA384) && defined(HAVE_AESGCM) && \ + defined(WOLFSSL_AES_256) + #define BUILD_TLS_DHE_PSK_WITH_AES_256_GCM_SHA384 + #endif +#endif + +#if (defined(HAVE_ECC) || defined(HAVE_CURVE25519) || defined(HAVE_CURVE448)) \ + && !defined(NO_TLS) && !defined(NO_AES) + #ifdef HAVE_AESGCM + #if !defined(NO_SHA256) && defined(WOLFSSL_AES_128) + #if defined(HAVE_ECC) || \ + (defined(HAVE_CURVE25519) && defined(HAVE_ED25519)) || \ + (defined(HAVE_CURVE448) && defined(HAVE_ED448)) + #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 + #endif + #ifndef NO_RSA + #define BUILD_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 + #endif + #endif + #if defined(WOLFSSL_SHA384) && defined(WOLFSSL_AES_256) + #if defined(HAVE_ECC) || \ + (defined(HAVE_CURVE25519) && defined(HAVE_ED25519)) || \ + (defined(HAVE_CURVE448) && defined(HAVE_ED448)) + #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 + #endif + #ifndef NO_RSA + #define BUILD_TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 + #endif + #endif + #endif + #if defined(HAVE_AESCCM) && !defined(NO_SHA256) + #if defined(HAVE_ECC) || \ + (defined(HAVE_CURVE25519) && defined(HAVE_ED25519)) || \ + (defined(HAVE_CURVE448) && defined(HAVE_ED448)) + #ifdef WOLFSSL_AES_128 + #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CCM + #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8 + #endif + #ifdef WOLFSSL_AES_256 + #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8 + #endif + #endif + #endif +#endif + +#if defined(HAVE_CHACHA) && defined(HAVE_POLY1305) && !defined(NO_SHA256) + #if defined(HAVE_ECC) || defined(HAVE_CURVE25519) || defined(HAVE_CURVE448) + #if defined(HAVE_ECC) || \ + (defined(HAVE_CURVE25519) && defined(HAVE_ED25519)) || \ + (defined(HAVE_CURVE448) && defined(HAVE_ED448)) + #define BUILD_TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 + #endif + #ifndef NO_RSA + #define BUILD_TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 + #endif + #endif + #if !defined(NO_DH) && !defined(NO_RSA) + #define BUILD_TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256 + #endif +#endif + +#endif + +#if defined(WOLFSSL_TLS13) + #ifdef HAVE_AESGCM + #if !defined(NO_SHA256) && defined(WOLFSSL_AES_128) + #define BUILD_TLS_AES_128_GCM_SHA256 + #endif + #if defined(WOLFSSL_SHA384) && defined(WOLFSSL_AES_256) + #define BUILD_TLS_AES_256_GCM_SHA384 + #endif + #endif + + #if defined(HAVE_CHACHA) && defined(HAVE_POLY1305) + #ifndef NO_SHA256 + #define BUILD_TLS_CHACHA20_POLY1305_SHA256 + #endif + #endif + + #ifdef HAVE_AESCCM + #if !defined(NO_SHA256) && defined(WOLFSSL_AES_128) + #define BUILD_TLS_AES_128_CCM_SHA256 + #define BUILD_TLS_AES_128_CCM_8_SHA256 + #endif + #endif + #ifdef HAVE_NULL_CIPHER + #ifndef NO_SHA256 + #define BUILD_TLS_SHA256_SHA256 + #endif + #ifdef WOLFSSL_SHA384 + #define BUILD_TLS_SHA384_SHA384 + #endif + #endif +#endif + +#ifdef WOLFSSL_MULTICAST + #if defined(HAVE_NULL_CIPHER) && !defined(NO_SHA256) + #define BUILD_WDM_WITH_NULL_SHA256 + #endif +#endif + +#if defined(BUILD_SSL_RSA_WITH_RC4_128_SHA) || \ + defined(BUILD_SSL_RSA_WITH_RC4_128_MD5) + #define BUILD_ARC4 +#endif + +#if defined(BUILD_SSL_RSA_WITH_3DES_EDE_CBC_SHA) + #define BUILD_DES3 +#endif + +#if defined(BUILD_TLS_RSA_WITH_AES_128_CBC_SHA) || \ + defined(BUILD_TLS_RSA_WITH_AES_256_CBC_SHA) || \ + defined(BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256) || \ + defined(BUILD_TLS_DHE_PSK_WITH_AES_128_CBC_SHA256) + #undef BUILD_AES + #define BUILD_AES +#endif + +#if defined(BUILD_TLS_RSA_WITH_AES_128_GCM_SHA256) || \ + defined(BUILD_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256) || \ + defined(BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256) || \ + defined(BUILD_TLS_PSK_WITH_AES_128_GCM_SHA256) || \ + defined(BUILD_TLS_DHE_PSK_WITH_AES_128_GCM_SHA256) || \ + defined(BUILD_TLS_RSA_WITH_AES_256_GCM_SHA384) || \ + defined(BUILD_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384) || \ + defined(BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384) || \ + defined(BUILD_TLS_PSK_WITH_AES_256_GCM_SHA384) || \ + defined(BUILD_TLS_DHE_PSK_WITH_AES_256_GCM_SHA384) || \ + defined(BUILD_TLS_AES_128_GCM_SHA256) || \ + defined(BUILD_TLS_AES_256_GCM_SHA384) + #define BUILD_AESGCM +#else + /* No AES-GCM cipher suites available with build */ + #define NO_AESGCM_AEAD +#endif + +#if defined(BUILD_TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256) || \ + defined(BUILD_TLS_DHE_RSA_WITH_CHACHA20_OLD_POLY1305_SHA256) || \ + defined(BUILD_TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256) || \ + defined(BUILD_TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256) || \ + defined(BUILD_TLS_ECDHE_ECDSA_WITH_CHACHA20_OLD_POLY1305_SHA256) || \ + defined(BUILD_TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256) || \ + defined(BUILD_TLS_ECDHE_RSA_WITH_CHACHA20_OLD_POLY1305_SHA256) || \ + defined(BUILD_TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256) || \ + defined(BUILD_TLS_PSK_WITH_CHACHA20_POLY1305_SHA256) || \ + defined(BUILD_TLS_CHACHA20_POLY1305_SHA256) + /* Have an available ChaCha Poly cipher suite */ +#else + /* No ChaCha Poly cipher suites available with build */ + #define NO_CHAPOL_AEAD +#endif + +#if defined(BUILD_TLS_RSA_WITH_HC_128_SHA) || \ + defined(BUILD_TLS_RSA_WITH_HC_128_MD5) + #define BUILD_HC128 +#endif + +#if defined(BUILD_TLS_RSA_WITH_RABBIT_SHA) + #define BUILD_RABBIT +#endif + +#ifdef NO_DES3 + #define DES_BLOCK_SIZE 8 +#else + #undef BUILD_DES3 + #define BUILD_DES3 +#endif + +#if defined(NO_AES) || defined(NO_AES_DECRYPT) + #define AES_BLOCK_SIZE 16 + #undef BUILD_AES +#else + #undef BUILD_AES + #define BUILD_AES +#endif + +#ifndef NO_RC4 + #undef BUILD_ARC4 + #define BUILD_ARC4 +#endif + +#ifdef HAVE_CHACHA + #define CHACHA20_BLOCK_SIZE 16 +#endif + +#if defined(WOLFSSL_MAX_STRENGTH) || \ + (defined(HAVE_AESGCM) && !defined(NO_AESGCM_AEAD)) || \ + defined(HAVE_AESCCM) || \ + (defined(HAVE_CHACHA) && defined(HAVE_POLY1305) && \ + !defined(NO_CHAPOL_AEAD)) || \ + (defined(WOLFSSL_TLS13) && defined(HAVE_NULL_CIPHER)) + + #define HAVE_AEAD +#endif + +#if defined(WOLFSSL_MAX_STRENGTH) || \ + defined(HAVE_ECC) || !defined(NO_DH) + + #define HAVE_PFS +#endif + +#if defined(BUILD_SSL_RSA_WITH_IDEA_CBC_SHA) + #define BUILD_IDEA +#endif + +/* actual cipher values, 2nd byte */ +enum { + TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA = 0x16, + TLS_DHE_RSA_WITH_AES_256_CBC_SHA = 0x39, + TLS_DHE_RSA_WITH_AES_128_CBC_SHA = 0x33, + TLS_DH_anon_WITH_AES_128_CBC_SHA = 0x34, + TLS_RSA_WITH_AES_256_CBC_SHA = 0x35, + TLS_RSA_WITH_AES_128_CBC_SHA = 0x2F, + TLS_RSA_WITH_NULL_MD5 = 0x01, + TLS_RSA_WITH_NULL_SHA = 0x02, + TLS_PSK_WITH_AES_256_CBC_SHA = 0x8d, + TLS_PSK_WITH_AES_128_CBC_SHA256 = 0xae, + TLS_PSK_WITH_AES_256_CBC_SHA384 = 0xaf, + TLS_PSK_WITH_AES_128_CBC_SHA = 0x8c, + TLS_PSK_WITH_NULL_SHA256 = 0xb0, + TLS_PSK_WITH_NULL_SHA384 = 0xb1, + TLS_PSK_WITH_NULL_SHA = 0x2c, + SSL_RSA_WITH_RC4_128_SHA = 0x05, + SSL_RSA_WITH_RC4_128_MD5 = 0x04, + SSL_RSA_WITH_3DES_EDE_CBC_SHA = 0x0A, + SSL_RSA_WITH_IDEA_CBC_SHA = 0x07, + + /* ECC suites, first byte is 0xC0 (ECC_BYTE) */ + TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA = 0x14, + TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA = 0x13, + TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA = 0x0A, + TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA = 0x09, + TLS_ECDHE_RSA_WITH_RC4_128_SHA = 0x11, + TLS_ECDHE_ECDSA_WITH_RC4_128_SHA = 0x07, + TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA = 0x12, + TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA = 0x08, + TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 = 0x27, + TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 = 0x23, + TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 = 0x28, + TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 = 0x24, + TLS_ECDHE_ECDSA_WITH_NULL_SHA = 0x06, + TLS_ECDHE_PSK_WITH_NULL_SHA256 = 0x3a, + TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256 = 0x37, + + /* static ECDH, first byte is 0xC0 (ECC_BYTE) */ + TLS_ECDH_RSA_WITH_AES_256_CBC_SHA = 0x0F, + TLS_ECDH_RSA_WITH_AES_128_CBC_SHA = 0x0E, + TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA = 0x05, + TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA = 0x04, + TLS_ECDH_RSA_WITH_RC4_128_SHA = 0x0C, + TLS_ECDH_ECDSA_WITH_RC4_128_SHA = 0x02, + TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA = 0x0D, + TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA = 0x03, + TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 = 0x29, + TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 = 0x25, + TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 = 0x2A, + TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 = 0x26, + + /* wolfSSL extension - eSTREAM */ + TLS_RSA_WITH_HC_128_MD5 = 0xFB, + TLS_RSA_WITH_HC_128_SHA = 0xFC, + TLS_RSA_WITH_RABBIT_SHA = 0xFD, + WDM_WITH_NULL_SHA256 = 0xFE, /* wolfSSL DTLS Multicast */ + + /* wolfSSL extension - NTRU */ + TLS_NTRU_RSA_WITH_RC4_128_SHA = 0xe5, + TLS_NTRU_RSA_WITH_3DES_EDE_CBC_SHA = 0xe6, + TLS_NTRU_RSA_WITH_AES_128_CBC_SHA = 0xe7, /* clashes w/official SHA-256 */ + TLS_NTRU_RSA_WITH_AES_256_CBC_SHA = 0xe8, + + /* wolfSSL extension - NTRU , Quantum-safe Handshake + first byte is 0xD0 (QSH_BYTE) */ + TLS_QSH = 0x01, + + /* SHA256 */ + TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 = 0x6b, + TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 = 0x67, + TLS_RSA_WITH_AES_256_CBC_SHA256 = 0x3d, + TLS_RSA_WITH_AES_128_CBC_SHA256 = 0x3c, + TLS_RSA_WITH_NULL_SHA256 = 0x3b, + TLS_DHE_PSK_WITH_AES_128_CBC_SHA256 = 0xb2, + TLS_DHE_PSK_WITH_NULL_SHA256 = 0xb4, + + /* SHA384 */ + TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 = 0xb3, + TLS_DHE_PSK_WITH_NULL_SHA384 = 0xb5, + + /* AES-GCM */ + TLS_RSA_WITH_AES_128_GCM_SHA256 = 0x9c, + TLS_RSA_WITH_AES_256_GCM_SHA384 = 0x9d, + TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 = 0x9e, + TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 = 0x9f, + TLS_DH_anon_WITH_AES_256_GCM_SHA384 = 0xa7, + TLS_PSK_WITH_AES_128_GCM_SHA256 = 0xa8, + TLS_PSK_WITH_AES_256_GCM_SHA384 = 0xa9, + TLS_DHE_PSK_WITH_AES_128_GCM_SHA256 = 0xaa, + TLS_DHE_PSK_WITH_AES_256_GCM_SHA384 = 0xab, + + /* ECC AES-GCM, first byte is 0xC0 (ECC_BYTE) */ + TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 = 0x2b, + TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 = 0x2c, + TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 = 0x2d, + TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384 = 0x2e, + TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 = 0x2f, + TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 = 0x30, + TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 = 0x31, + TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384 = 0x32, + + /* AES-CCM, first byte is 0xC0 but isn't ECC, + * also, in some of the other AES-CCM suites + * there will be second byte number conflicts + * with non-ECC AES-GCM */ + TLS_RSA_WITH_AES_128_CCM_8 = 0xa0, + TLS_RSA_WITH_AES_256_CCM_8 = 0xa1, + TLS_ECDHE_ECDSA_WITH_AES_128_CCM = 0xac, + TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8 = 0xae, + TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8 = 0xaf, + TLS_PSK_WITH_AES_128_CCM = 0xa4, + TLS_PSK_WITH_AES_256_CCM = 0xa5, + TLS_PSK_WITH_AES_128_CCM_8 = 0xa8, + TLS_PSK_WITH_AES_256_CCM_8 = 0xa9, + TLS_DHE_PSK_WITH_AES_128_CCM = 0xa6, + TLS_DHE_PSK_WITH_AES_256_CCM = 0xa7, + + /* Camellia */ + TLS_RSA_WITH_CAMELLIA_128_CBC_SHA = 0x41, + TLS_RSA_WITH_CAMELLIA_256_CBC_SHA = 0x84, + TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256 = 0xba, + TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256 = 0xc0, + TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA = 0x45, + TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA = 0x88, + TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 = 0xbe, + TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256 = 0xc4, + + /* chacha20-poly1305 suites first byte is 0xCC (CHACHA_BYTE) */ + TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 = 0xa8, + TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 = 0xa9, + TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256 = 0xaa, + TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256 = 0xac, + TLS_PSK_WITH_CHACHA20_POLY1305_SHA256 = 0xab, + TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256 = 0xad, + + /* chacha20-poly1305 earlier version of nonce and padding (CHACHA_BYTE) */ + TLS_ECDHE_RSA_WITH_CHACHA20_OLD_POLY1305_SHA256 = 0x13, + TLS_ECDHE_ECDSA_WITH_CHACHA20_OLD_POLY1305_SHA256 = 0x14, + TLS_DHE_RSA_WITH_CHACHA20_OLD_POLY1305_SHA256 = 0x15, + + /* TLS v1.3 cipher suites */ + TLS_AES_128_GCM_SHA256 = 0x01, + TLS_AES_256_GCM_SHA384 = 0x02, + TLS_CHACHA20_POLY1305_SHA256 = 0x03, + TLS_AES_128_CCM_SHA256 = 0x04, + TLS_AES_128_CCM_8_SHA256 = 0x05, + + /* TLS v1.3 Integity only cipher suites - 0xC0 (ECC) first byte */ + TLS_SHA256_SHA256 = 0xB4, + TLS_SHA384_SHA384 = 0xB5, + + /* Fallback SCSV (Signaling Cipher Suite Value) */ + TLS_FALLBACK_SCSV = 0x56, + /* Renegotiation Indication Extension Special Suite */ + TLS_EMPTY_RENEGOTIATION_INFO_SCSV = 0xff +}; + + +#ifndef WOLFSSL_SESSION_TIMEOUT + #define WOLFSSL_SESSION_TIMEOUT 500 + /* default session resumption cache timeout in seconds */ +#endif + + +#ifndef WOLFSSL_DTLS_WINDOW_WORDS + #define WOLFSSL_DTLS_WINDOW_WORDS 2 +#endif /* WOLFSSL_DTLS_WINDOW_WORDS */ +#define DTLS_WORD_BITS (sizeof(word32) * CHAR_BIT) +#define DTLS_SEQ_BITS (WOLFSSL_DTLS_WINDOW_WORDS * DTLS_WORD_BITS) +#define DTLS_SEQ_SZ (sizeof(word32) * WOLFSSL_DTLS_WINDOW_WORDS) + +#ifndef WOLFSSL_MULTICAST + #define WOLFSSL_DTLS_PEERSEQ_SZ 1 +#else + #ifndef WOLFSSL_MULTICAST_PEERS + /* max allowed multicast group peers */ + #define WOLFSSL_MULTICAST_PEERS 100 + #endif + #define WOLFSSL_DTLS_PEERSEQ_SZ WOLFSSL_MULTICAST_PEERS +#endif /* WOLFSSL_MULTICAST */ + +#ifndef WOLFSSL_MAX_MTU + #define WOLFSSL_MAX_MTU 1500 +#endif /* WOLFSSL_MAX_MTU */ + + +/* set minimum DH key size allowed */ +#ifndef WOLFSSL_MIN_DHKEY_BITS + #ifdef WOLFSSL_MAX_STRENGTH + #define WOLFSSL_MIN_DHKEY_BITS 2048 + #else + #define WOLFSSL_MIN_DHKEY_BITS 1024 + #endif +#endif +#if (WOLFSSL_MIN_DHKEY_BITS % 8) + #error DH minimum bit size must be multiple of 8 +#endif +#if (WOLFSSL_MIN_DHKEY_BITS > 16000) + #error DH minimum bit size must not be greater than 16000 +#endif +#define MIN_DHKEY_SZ (WOLFSSL_MIN_DHKEY_BITS / 8) +/* set maximum DH key size allowed */ +#ifndef WOLFSSL_MAX_DHKEY_BITS + #if (defined(USE_FAST_MATH) && defined(FP_MAX_BITS) && FP_MAX_BITS >= 16384) + #define WOLFSSL_MAX_DHKEY_BITS 8192 + #else + #define WOLFSSL_MAX_DHKEY_BITS 4096 + #endif +#endif +#if (WOLFSSL_MAX_DHKEY_BITS % 8) + #error DH maximum bit size must be multiple of 8 +#endif +#if (WOLFSSL_MAX_DHKEY_BITS > 16000) + #error DH maximum bit size must not be greater than 16000 +#endif +#define MAX_DHKEY_SZ (WOLFSSL_MAX_DHKEY_BITS / 8) + +#ifndef MAX_PSK_ID_LEN + /* max psk identity/hint supported */ + #if defined(WOLFSSL_TLS13) + #define MAX_PSK_ID_LEN 256 + #else + #define MAX_PSK_ID_LEN 128 + #endif +#endif + +#ifndef MAX_EARLY_DATA_SZ + /* maximum early data size */ + #define MAX_EARLY_DATA_SZ 4096 +#endif + +enum Misc { + CIPHER_BYTE = 0x00, /* Default ciphers */ + ECC_BYTE = 0xC0, /* ECC first cipher suite byte */ + QSH_BYTE = 0xD0, /* Quantum-safe Handshake cipher suite */ + CHACHA_BYTE = 0xCC, /* ChaCha first cipher suite */ + TLS13_BYTE = 0x13, /* TLS v1.3 first byte of cipher suite */ + + SEND_CERT = 1, + SEND_BLANK_CERT = 2, + + DTLS_MAJOR = 0xfe, /* DTLS major version number */ + DTLS_MINOR = 0xff, /* DTLS minor version number */ + DTLSv1_2_MINOR = 0xfd, /* DTLS minor version number */ + SSLv3_MAJOR = 3, /* SSLv3 and TLSv1+ major version number */ + SSLv3_MINOR = 0, /* TLSv1 minor version number */ + TLSv1_MINOR = 1, /* TLSv1 minor version number */ + TLSv1_1_MINOR = 2, /* TLSv1_1 minor version number */ + TLSv1_2_MINOR = 3, /* TLSv1_2 minor version number */ + TLSv1_3_MINOR = 4, /* TLSv1_3 minor version number */ + TLS_DRAFT_MAJOR = 0x7f, /* Draft TLS major version number */ +#ifdef WOLFSSL_TLS13_DRAFT +#ifdef WOLFSSL_TLS13_DRAFT_18 + TLS_DRAFT_MINOR = 0x12, /* Minor version number of TLS draft */ +#elif defined(WOLFSSL_TLS13_DRAFT_22) + TLS_DRAFT_MINOR = 0x16, /* Minor version number of TLS draft */ +#elif defined(WOLFSSL_TLS13_DRAFT_23) + TLS_DRAFT_MINOR = 0x17, /* Minor version number of TLS draft */ +#elif defined(WOLFSSL_TLS13_DRAFT_26) + TLS_DRAFT_MINOR = 0x1a, /* Minor version number of TLS draft */ +#else + TLS_DRAFT_MINOR = 0x1c, /* Minor version number of TLS draft */ +#endif +#endif + OLD_HELLO_ID = 0x01, /* SSLv2 Client Hello Indicator */ + INVALID_BYTE = 0xff, /* Used to initialize cipher specs values */ + NO_COMPRESSION = 0, + ZLIB_COMPRESSION = 221, /* wolfSSL zlib compression */ + HELLO_EXT_SIG_ALGO = 13, /* ID for the sig_algo hello extension */ + HELLO_EXT_EXTMS = 0x0017, /* ID for the extended master secret ext */ + SECRET_LEN = WOLFSSL_MAX_MASTER_KEY_LENGTH, + /* pre RSA and all master */ +#if defined(WOLFSSL_MYSQL_COMPATIBLE) || \ + (defined(USE_FAST_MATH) && defined(FP_MAX_BITS) && FP_MAX_BITS > 8192) +#ifndef NO_PSK + ENCRYPT_LEN = 1024 + MAX_PSK_ID_LEN + 2, /* 8192 bit static buffer */ +#else + ENCRYPT_LEN = 1024, /* allow 8192 bit static buffer */ +#endif +#else +#ifndef NO_PSK + ENCRYPT_LEN = 512 + MAX_PSK_ID_LEN + 2, /* 4096 bit static buffer */ +#else + ENCRYPT_LEN = 512, /* allow 4096 bit static buffer */ +#endif +#endif + SIZEOF_SENDER = 4, /* clnt or srvr */ + FINISHED_SZ = 36, /* WC_MD5_DIGEST_SIZE + WC_SHA_DIGEST_SIZE */ + MAX_RECORD_SIZE = 16384, /* 2^14, max size by standard */ + MAX_PLAINTEXT_SZ = (1 << 14), /* Max plaintext sz */ + MAX_TLS_CIPHER_SZ = (1 << 14) + 2048, /* Max TLS encrypted data sz */ +#ifdef WOLFSSL_TLS13 + MAX_TLS13_PLAIN_SZ = (1 << 14) + 1, /* Max unencrypted data sz */ + MAX_TLS13_ENC_SZ = (1 << 14) + 256, /* Max encrypted data sz */ +#endif + MAX_MSG_EXTRA = 38 + WC_MAX_DIGEST_SIZE, + /* max added to msg, mac + pad from */ + /* RECORD_HEADER_SZ + BLOCK_SZ (pad) + Max + digest sz + BLOC_SZ (iv) + pad byte (1) */ + MAX_COMP_EXTRA = 1024, /* max compression extra */ + MAX_MTU = WOLFSSL_MAX_MTU, /* max expected MTU */ + MAX_UDP_SIZE = 8192 - 100, /* was MAX_MTU - 100 */ + MAX_DH_SZ = (MAX_DHKEY_SZ * 3) + 12, /* DH_P, DH_G and DH_Pub */ + /* 4096 p, pub, g + 2 byte size for each */ + MAX_STR_VERSION = 8, /* string rep of protocol version */ + + PAD_MD5 = 48, /* pad length for finished */ + PAD_SHA = 40, /* pad length for finished */ + MAX_PAD_SIZE = 256, /* maximum length of padding */ + + LENGTH_SZ = 2, /* length field for HMAC, data only */ + VERSION_SZ = 2, /* length of proctocol version */ + SEQ_SZ = 8, /* 64 bit sequence number */ + ALERT_SIZE = 2, /* level + description */ + VERIFY_HEADER = 2, /* always use 2 bytes */ + EXTS_SZ = 2, /* always use 2 bytes */ + EXT_ID_SZ = 2, /* always use 2 bytes */ + MAX_DH_SIZE = MAX_DHKEY_SZ+1, + /* Max size plus possible leading 0 */ + NAMED_DH_MASK = 0x100, /* Named group mask for DH parameters */ + MIN_FFHDE_GROUP = 0x100, /* Named group minimum for FFDHE parameters */ + MAX_FFHDE_GROUP = 0x1FF, /* Named group maximum for FFDHE parameters */ + SESSION_HINT_SZ = 4, /* session timeout hint */ + SESSION_ADD_SZ = 4, /* session age add */ + TICKET_NONCE_LEN_SZ = 1, /* Ticket nonce length size */ + DEF_TICKET_NONCE_SZ = 1, /* Default ticket nonce size */ + MAX_TICKET_NONCE_SZ = 8, /* maximum ticket nonce size */ + MAX_LIFETIME = 604800, /* maximum ticket lifetime */ + + RAN_LEN = 32, /* random length */ + SEED_LEN = RAN_LEN * 2, /* tls prf seed length */ + ID_LEN = 32, /* session id length */ + COOKIE_SECRET_SZ = 14, /* dtls cookie secret size */ + MAX_COOKIE_LEN = 32, /* max dtls cookie size */ + COOKIE_SZ = 20, /* use a 20 byte cookie */ + SUITE_LEN = 2, /* cipher suite sz length */ + ENUM_LEN = 1, /* always a byte */ + OPAQUE8_LEN = 1, /* 1 byte */ + OPAQUE16_LEN = 2, /* 2 bytes */ + OPAQUE24_LEN = 3, /* 3 bytes */ + OPAQUE32_LEN = 4, /* 4 bytes */ + OPAQUE64_LEN = 8, /* 8 bytes */ + COMP_LEN = 1, /* compression length */ + CURVE_LEN = 2, /* ecc named curve length */ + KE_GROUP_LEN = 2, /* key exchange group length */ + SERVER_ID_LEN = 20, /* server session id length */ + + HANDSHAKE_HEADER_SZ = 4, /* type + length(3) */ + RECORD_HEADER_SZ = 5, /* type + version + len(2) */ + CERT_HEADER_SZ = 3, /* always 3 bytes */ + REQ_HEADER_SZ = 2, /* cert request header sz */ + HINT_LEN_SZ = 2, /* length of hint size field */ + TRUNCATED_HMAC_SZ = 10, /* length of hmac w/ truncated hmac extension */ + HELLO_EXT_SZ = 4, /* base length of a hello extension */ + HELLO_EXT_TYPE_SZ = 2, /* length of a hello extension type */ + HELLO_EXT_SZ_SZ = 2, /* length of a hello extension size */ + HELLO_EXT_SIGALGO_SZ = 2, /* length of number of items in sigalgo list */ + + DTLS_HANDSHAKE_HEADER_SZ = 12, /* normal + seq(2) + offset(3) + length(3) */ + DTLS_RECORD_HEADER_SZ = 13, /* normal + epoch(2) + seq_num(6) */ + DTLS_HANDSHAKE_EXTRA = 8, /* diff from normal */ + DTLS_RECORD_EXTRA = 8, /* diff from normal */ + DTLS_HANDSHAKE_SEQ_SZ = 2, /* handshake header sequence number */ + DTLS_HANDSHAKE_FRAG_SZ = 3, /* fragment offset and length are 24 bit */ + DTLS_POOL_SZ = 255,/* allowed number of list items in TX pool */ + DTLS_EXPORT_PRO = 165,/* wolfSSL protocol for serialized session */ + DTLS_EXPORT_STATE_PRO = 166,/* wolfSSL protocol for serialized state */ + DTLS_EXPORT_VERSION = 4, /* wolfSSL version for serialized session */ + DTLS_EXPORT_OPT_SZ = 60, /* amount of bytes used from Options */ + DTLS_EXPORT_VERSION_3 = 3, /* wolfSSL version before TLS 1.3 addition */ + DTLS_EXPORT_OPT_SZ_3 = 59, /* amount of bytes used from Options */ + DTLS_EXPORT_KEY_SZ = 325 + (DTLS_SEQ_SZ * 2), + /* max amount of bytes used from Keys */ + DTLS_EXPORT_MIN_KEY_SZ = 85 + (DTLS_SEQ_SZ * 2), + /* min amount of bytes used from Keys */ + DTLS_EXPORT_SPC_SZ = 16, /* amount of bytes used from CipherSpecs */ + DTLS_EXPORT_LEN = 2, /* 2 bytes for length and protocol */ + DTLS_EXPORT_IP = 46, /* max ip size IPv4 mapped IPv6 */ + MAX_EXPORT_BUFFER = 514, /* max size of buffer for exporting */ + MAX_EXPORT_STATE_BUFFER = (DTLS_EXPORT_MIN_KEY_SZ) + (3 * DTLS_EXPORT_LEN), + /* max size of buffer for exporting state */ + FINISHED_LABEL_SZ = 15, /* TLS finished label size */ + TLS_FINISHED_SZ = 12, /* TLS has a shorter size */ + EXT_MASTER_LABEL_SZ = 22, /* TLS extended master secret label sz */ + MASTER_LABEL_SZ = 13, /* TLS master secret label sz */ + KEY_LABEL_SZ = 13, /* TLS key block expansion sz */ + PROTOCOL_LABEL_SZ = 9, /* Length of the protocol label */ + MAX_LABEL_SZ = 34, /* Maximum length of a label */ + MAX_HKDF_LABEL_SZ = OPAQUE16_LEN + + OPAQUE8_LEN + PROTOCOL_LABEL_SZ + MAX_LABEL_SZ + + OPAQUE8_LEN + WC_MAX_DIGEST_SIZE, + MAX_REQUEST_SZ = 256, /* Maximum cert req len (no auth yet */ + SESSION_FLUSH_COUNT = 256, /* Flush session cache unless user turns off */ + TLS_MAX_PAD_SZ = 255, /* Max padding in TLS */ + +#if defined(HAVE_FIPS) && \ + (!defined(HAVE_FIPS_VERSION) || (HAVE_FIPS_VERSION < 2)) + MAX_SYM_KEY_SIZE = AES_256_KEY_SIZE, +#else + MAX_SYM_KEY_SIZE = WC_MAX_SYM_KEY_SIZE, +#endif + +#ifdef HAVE_SELFTEST + #ifndef WOLFSSL_AES_KEY_SIZE_ENUM + #define WOLFSSL_AES_KEY_SIZE_ENUM + AES_IV_SIZE = 16, + AES_128_KEY_SIZE = 16, + AES_192_KEY_SIZE = 24, + AES_256_KEY_SIZE = 32, + #endif +#endif + + MAX_IV_SZ = AES_BLOCK_SIZE, + + AEAD_SEQ_OFFSET = 4, /* Auth Data: Sequence number */ + AEAD_TYPE_OFFSET = 8, /* Auth Data: Type */ + AEAD_VMAJ_OFFSET = 9, /* Auth Data: Major Version */ + AEAD_VMIN_OFFSET = 10, /* Auth Data: Minor Version */ + AEAD_LEN_OFFSET = 11, /* Auth Data: Length */ + AEAD_AUTH_DATA_SZ = 13, /* Size of the data to authenticate */ + AEAD_NONCE_SZ = 12, + AESGCM_IMP_IV_SZ = 4, /* Size of GCM/CCM AEAD implicit IV */ + AESGCM_EXP_IV_SZ = 8, /* Size of GCM/CCM AEAD explicit IV */ + AESGCM_NONCE_SZ = AESGCM_EXP_IV_SZ + AESGCM_IMP_IV_SZ, + + CHACHA20_IMP_IV_SZ = 12, /* Size of ChaCha20 AEAD implicit IV */ + CHACHA20_NONCE_SZ = 12, /* Size of ChacCha20 nonce */ + CHACHA20_OLD_OFFSET = 4, /* Offset for seq # in old poly1305 */ + + /* For any new implicit/explicit IV size adjust AEAD_MAX_***_SZ */ + + AES_GCM_AUTH_SZ = 16, /* AES-GCM Auth Tag length */ + AES_CCM_16_AUTH_SZ = 16, /* AES-CCM-16 Auth Tag length */ + AES_CCM_8_AUTH_SZ = 8, /* AES-CCM-8 Auth Tag Length */ + AESCCM_NONCE_SZ = 12, + + CAMELLIA_128_KEY_SIZE = 16, /* for 128 bit */ + CAMELLIA_192_KEY_SIZE = 24, /* for 192 bit */ + CAMELLIA_256_KEY_SIZE = 32, /* for 256 bit */ + CAMELLIA_IV_SIZE = 16, /* always block size */ + + CHACHA20_256_KEY_SIZE = 32, /* for 256 bit */ + CHACHA20_128_KEY_SIZE = 16, /* for 128 bit */ + CHACHA20_IV_SIZE = 12, /* 96 bits for iv */ + + POLY1305_AUTH_SZ = 16, /* 128 bits */ + + HMAC_NONCE_SZ = 12, /* Size of HMAC nonce */ + + HC_128_KEY_SIZE = 16, /* 128 bits */ + HC_128_IV_SIZE = 16, /* also 128 bits */ + + RABBIT_KEY_SIZE = 16, /* 128 bits */ + RABBIT_IV_SIZE = 8, /* 64 bits for iv */ + + EVP_SALT_SIZE = 8, /* evp salt size 64 bits */ + +#ifndef ECDHE_SIZE /* allow this to be overridden at compile-time */ + ECDHE_SIZE = 32, /* ECHDE server size defaults to 256 bit */ +#endif + MAX_EXPORT_ECC_SZ = 256, /* Export ANS X9.62 max future size */ + MAX_CURVE_NAME_SZ = 16, /* Maximum size of curve name string */ + + NEW_SA_MAJOR = 8, /* Most significant byte used with new sig algos */ + ED25519_SA_MAJOR = 8, /* Most significant byte for ED25519 */ + ED25519_SA_MINOR = 7, /* Least significant byte for ED25519 */ + ED448_SA_MAJOR = 8, /* Most significant byte for ED448 */ + ED448_SA_MINOR = 8, /* Least significant byte for ED448 */ + + MIN_RSA_SHA512_PSS_BITS = 512 * 2 + 8 * 8, /* Min key size */ + MIN_RSA_SHA384_PSS_BITS = 384 * 2 + 8 * 8, /* Min key size */ + +#ifndef NO_RSA + MAX_CERT_VERIFY_SZ = 4096 / 8, /* max RSA - default 4096-bits */ +#elif defined(HAVE_ECC) + MAX_CERT_VERIFY_SZ = ECC_MAX_SIG_SIZE, /* max ECC */ +#elif defined(HAVE_ED448) + MAX_CERT_VERIFY_SZ = ED448_SIG_SIZE, /* max Ed448 */ +#elif defined(HAVE_ED25519) + MAX_CERT_VERIFY_SZ = ED25519_SIG_SIZE, /* max Ed25519 */ +#else + MAX_CERT_VERIFY_SZ = 1024, /* max default */ +#endif + CLIENT_HELLO_FIRST = 35, /* Protocol + RAN_LEN + sizeof(id_len) */ + MAX_SUITE_NAME = 48, /* maximum length of cipher suite string */ + + DTLS_TIMEOUT_INIT = 1, /* default timeout init for DTLS receive */ + DTLS_TIMEOUT_MAX = 64, /* default max timeout for DTLS receive */ + DTLS_TIMEOUT_MULTIPLIER = 2, /* default timeout multiplier for DTLS recv */ + + NULL_TERM_LEN = 1, /* length of null '\0' termination character */ + MAX_PSK_KEY_LEN = 64, /* max psk key supported */ + MIN_PSK_ID_LEN = 6, /* min length of identities */ + MIN_PSK_BINDERS_LEN= 33, /* min length of binders */ + MAX_TICKET_AGE_SECS= 10, /* maximum ticket age in seconds */ + +#ifndef MAX_WOLFSSL_FILE_SIZE + MAX_WOLFSSL_FILE_SIZE = 1024ul * 1024ul * 4, /* 4 mb file size alloc limit */ +#endif + + MAX_X509_SIZE = 2048, /* max static x509 buffer size */ + CERT_MIN_SIZE = 256, /* min PEM cert size with header/footer */ + + MAX_NTRU_PUB_KEY_SZ = 1027, /* NTRU max for now */ + MAX_NTRU_ENCRYPT_SZ = 1027, /* NTRU max for now */ + MAX_NTRU_BITS = 256, /* max symmetric bit strength */ + NO_SNIFF = 0, /* not sniffing */ + SNIFF = 1, /* currently sniffing */ + + HASH_SIG_SIZE = 2, /* default SHA1 RSA */ + + NO_COPY = 0, /* should we copy static buffer for write */ + COPY = 1, /* should we copy static buffer for write */ + + INVALID_PEER_ID = 0xFFFF, /* Initialize value for peer ID. */ + + PREV_ORDER = -1, /* Sequence number is in previous epoch. */ + PEER_ORDER = 1, /* Peer sequence number for verify. */ + CUR_ORDER = 0, /* Current sequence number. */ + WRITE_PROTO = 1, /* writing a protocol message */ + READ_PROTO = 0 /* reading a protocol message */ +}; + +/* minimum Downgrade Minor version */ +#ifndef WOLFSSL_MIN_DOWNGRADE + #ifndef NO_OLD_TLS + #define WOLFSSL_MIN_DOWNGRADE TLSv1_MINOR + #else + #define WOLFSSL_MIN_DOWNGRADE TLSv1_2_MINOR + #endif +#endif + +/* Set max implicit IV size for AEAD cipher suites */ +#define AEAD_MAX_IMP_SZ 12 + +/* Set max explicit IV size for AEAD cipher suites */ +#define AEAD_MAX_EXP_SZ 8 + + +#ifndef WOLFSSL_MAX_SUITE_SZ + #define WOLFSSL_MAX_SUITE_SZ 300 + /* 150 suites for now! */ +#endif + +/* number of items in the signature algo list */ +#ifndef WOLFSSL_MAX_SIGALGO + #define WOLFSSL_MAX_SIGALGO 32 +#endif + + +/* set minimum ECC key size allowed */ +#ifndef WOLFSSL_MIN_ECC_BITS + #ifdef WOLFSSL_MAX_STRENGTH + #define WOLFSSL_MIN_ECC_BITS 256 + #else + #define WOLFSSL_MIN_ECC_BITS 224 + #endif +#endif /* WOLFSSL_MIN_ECC_BITS */ +#if (WOLFSSL_MIN_ECC_BITS % 8) + /* Some ECC keys are not divisible by 8 such as prime239v1 or sect131r1. + In these cases round down to the nearest value divisible by 8. The + restriction of being divisible by 8 is in place to match wc_ecc_size + function from wolfSSL. + */ + #error ECC minimum bit size must be a multiple of 8 +#endif +#define MIN_ECCKEY_SZ (WOLFSSL_MIN_ECC_BITS / 8) + +/* set minimum RSA key size allowed */ +#ifndef WOLFSSL_MIN_RSA_BITS + #ifdef WOLFSSL_MAX_STRENGTH + #define WOLFSSL_MIN_RSA_BITS 2048 + #else + #define WOLFSSL_MIN_RSA_BITS 1024 + #endif +#endif /* WOLFSSL_MIN_RSA_BITS */ +#if (WOLFSSL_MIN_RSA_BITS % 8) + /* This is to account for the example case of a min size of 2050 bits but + still allows 2049 bit key. So we need the measurement to be in bytes. */ + #error RSA minimum bit size must be a multiple of 8 +#endif +#define MIN_RSAKEY_SZ (WOLFSSL_MIN_RSA_BITS / 8) + +#ifdef SESSION_INDEX +/* Shift values for making a session index */ +#define SESSIDX_ROW_SHIFT 4 +#define SESSIDX_IDX_MASK 0x0F +#endif + + +/* max cert chain peer depth */ +#ifndef MAX_CHAIN_DEPTH + #define MAX_CHAIN_DEPTH 9 +#endif + +/* max size of a certificate message payload */ +/* assumes MAX_CHAIN_DEPTH number of certificates at 2kb per certificate */ +#ifndef MAX_CERTIFICATE_SZ + #define MAX_CERTIFICATE_SZ \ + CERT_HEADER_SZ + \ + (MAX_X509_SIZE + CERT_HEADER_SZ) * MAX_CHAIN_DEPTH +#endif + +/* max size of a handshake message, currently set to the certificate */ +#ifndef MAX_HANDSHAKE_SZ + #define MAX_HANDSHAKE_SZ MAX_CERTIFICATE_SZ +#endif + +#ifndef SESSION_TICKET_LEN + #define SESSION_TICKET_LEN 256 +#endif + +#ifndef SESSION_TICKET_HINT_DEFAULT + #define SESSION_TICKET_HINT_DEFAULT 300 +#endif + + +/* don't use extra 3/4k stack space unless need to */ +#ifdef HAVE_NTRU + #define MAX_ENCRYPT_SZ MAX_NTRU_ENCRYPT_SZ +#else + #define MAX_ENCRYPT_SZ ENCRYPT_LEN +#endif + + +/* states */ +enum states { + NULL_STATE = 0, + + SERVER_HELLOVERIFYREQUEST_COMPLETE, + SERVER_HELLO_RETRY_REQUEST_COMPLETE, + SERVER_HELLO_COMPLETE, + SERVER_ENCRYPTED_EXTENSIONS_COMPLETE, + SERVER_CERT_COMPLETE, + SERVER_KEYEXCHANGE_COMPLETE, + SERVER_HELLODONE_COMPLETE, + SERVER_CHANGECIPHERSPEC_COMPLETE, + SERVER_FINISHED_COMPLETE, + + CLIENT_HELLO_RETRY, + CLIENT_HELLO_COMPLETE, + CLIENT_KEYEXCHANGE_COMPLETE, + CLIENT_CHANGECIPHERSPEC_COMPLETE, + CLIENT_FINISHED_COMPLETE, + + HANDSHAKE_DONE +}; + +/* SSL Version */ +typedef struct ProtocolVersion { + byte major; + byte minor; +} WOLFSSL_PACK ProtocolVersion; + + +WOLFSSL_LOCAL ProtocolVersion MakeSSLv3(void); +WOLFSSL_LOCAL ProtocolVersion MakeTLSv1(void); +WOLFSSL_LOCAL ProtocolVersion MakeTLSv1_1(void); +WOLFSSL_LOCAL ProtocolVersion MakeTLSv1_2(void); +WOLFSSL_LOCAL ProtocolVersion MakeTLSv1_3(void); + +#ifdef WOLFSSL_DTLS + WOLFSSL_LOCAL ProtocolVersion MakeDTLSv1(void); + WOLFSSL_LOCAL ProtocolVersion MakeDTLSv1_2(void); + + #ifdef WOLFSSL_SESSION_EXPORT + WOLFSSL_LOCAL int wolfSSL_dtls_import_internal(WOLFSSL* ssl, byte* buf, + word32 sz); + WOLFSSL_LOCAL int wolfSSL_dtls_export_internal(WOLFSSL* ssl, byte* buf, + word32 sz); + WOLFSSL_LOCAL int wolfSSL_dtls_export_state_internal(WOLFSSL* ssl, + byte* buf, word32 sz); + WOLFSSL_LOCAL int wolfSSL_dtls_import_state_internal(WOLFSSL* ssl, + byte* buf, word32 sz); + WOLFSSL_LOCAL int wolfSSL_send_session(WOLFSSL* ssl); + #endif +#endif + + +/* wolfSSL method type */ +struct WOLFSSL_METHOD { + ProtocolVersion version; + byte side; /* connection side, server or client */ + byte downgrade; /* whether to downgrade version, default no */ +}; + +/* wolfSSL buffer type - internal uses "buffer" type */ +typedef WOLFSSL_BUFFER_INFO buffer; + +typedef struct Suites Suites; + + +/* defaults to client */ +WOLFSSL_LOCAL void InitSSL_Method(WOLFSSL_METHOD*, ProtocolVersion); + +WOLFSSL_LOCAL int InitSSL_Suites(WOLFSSL* ssl); +WOLFSSL_LOCAL int InitSSL_Side(WOLFSSL* ssl, word16 side); + +/* for sniffer */ +WOLFSSL_LOCAL int DoFinished(WOLFSSL* ssl, const byte* input, word32* inOutIdx, + word32 size, word32 totalSz, int sniff); +WOLFSSL_LOCAL int DoApplicationData(WOLFSSL* ssl, byte* input, word32* inOutIdx); +/* TLS v1.3 needs these */ +WOLFSSL_LOCAL int HandleTlsResumption(WOLFSSL* ssl, int bogusID, + Suites* clSuites); +#ifdef WOLFSSL_TLS13 +WOLFSSL_LOCAL int FindSuite(Suites* suites, byte first, byte second); +#endif +WOLFSSL_LOCAL int DoClientHello(WOLFSSL* ssl, const byte* input, word32*, + word32); +#ifdef WOLFSSL_TLS13 +WOLFSSL_LOCAL int DoTls13ClientHello(WOLFSSL* ssl, const byte* input, + word32* inOutIdx, word32 helloSz); +#endif +WOLFSSL_LOCAL int DoServerHello(WOLFSSL* ssl, const byte* input, word32*, + word32); +WOLFSSL_LOCAL int CompleteServerHello(WOLFSSL *ssl); +WOLFSSL_LOCAL int CheckVersion(WOLFSSL *ssl, ProtocolVersion pv); +WOLFSSL_LOCAL int PickHashSigAlgo(WOLFSSL* ssl, const byte* hashSigAlgo, + word32 hashSigAlgoSz); +WOLFSSL_LOCAL int DecodePrivateKey(WOLFSSL *ssl, word16* length); +#ifdef HAVE_PK_CALLBACKS +WOLFSSL_LOCAL int GetPrivateKeySigSize(WOLFSSL* ssl); +#ifndef NO_ASN + WOLFSSL_LOCAL int InitSigPkCb(WOLFSSL* ssl, SignatureCtx* sigCtx); +#endif +#endif +WOLFSSL_LOCAL void FreeKeyExchange(WOLFSSL* ssl); +WOLFSSL_LOCAL void FreeSuites(WOLFSSL* ssl); +WOLFSSL_LOCAL int ProcessPeerCerts(WOLFSSL* ssl, byte* input, word32* inOutIdx, word32 size); +WOLFSSL_LOCAL int MatchDomainName(const char* pattern, int len, const char* str); +#ifndef NO_CERTS +WOLFSSL_LOCAL int CheckAltNames(DecodedCert* dCert, char* domain); +#ifdef OPENSSL_EXTRA +WOLFSSL_LOCAL int CheckIPAddr(DecodedCert* dCert, char* ipasc); +#endif +#endif +WOLFSSL_LOCAL int CreateTicket(WOLFSSL* ssl); +WOLFSSL_LOCAL int HashOutputRaw(WOLFSSL* ssl, const byte* output, int sz); +WOLFSSL_LOCAL int HashOutput(WOLFSSL* ssl, const byte* output, int sz, + int ivSz); +WOLFSSL_LOCAL int HashInput(WOLFSSL* ssl, const byte* input, int sz); +#if defined(OPENSSL_ALL) || defined(HAVE_STUNNEL) || defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY) +WOLFSSL_LOCAL int SNI_Callback(WOLFSSL* ssl); +#endif +#ifdef WOLFSSL_TLS13 +WOLFSSL_LOCAL int DecryptTls13(WOLFSSL* ssl, byte* output, const byte* input, + word16 sz, const byte* aad, word16 aadSz); +WOLFSSL_LOCAL int DoTls13HandShakeMsgType(WOLFSSL* ssl, byte* input, + word32* inOutIdx, byte type, + word32 size, word32 totalSz); +WOLFSSL_LOCAL int DoTls13HandShakeMsg(WOLFSSL* ssl, byte* input, + word32* inOutIdx, word32 totalSz); +WOLFSSL_LOCAL int DoTls13ServerHello(WOLFSSL* ssl, const byte* input, + word32* inOutIdx, word32 helloSz, + byte* extMsgType); +#endif +int TimingPadVerify(WOLFSSL* ssl, const byte* input, int padLen, int t, + int pLen, int content); + + +enum { + FORCED_FREE = 1, + NO_FORCED_FREE = 0 +}; + + +/* only use compression extra if using compression */ +#ifdef HAVE_LIBZ + #define COMP_EXTRA MAX_COMP_EXTRA +#else + #define COMP_EXTRA 0 +#endif + +/* only the sniffer needs space in the buffer for extra MTU record(s) */ +#ifdef WOLFSSL_SNIFFER + #define MTU_EXTRA MAX_MTU * 3 +#else + #define MTU_EXTRA 0 +#endif + + +/* embedded callbacks require large static buffers, make sure on */ +#ifdef WOLFSSL_CALLBACKS + #undef LARGE_STATIC_BUFFERS + #define LARGE_STATIC_BUFFERS +#endif + + +/* give user option to use 16K static buffers */ +#if defined(LARGE_STATIC_BUFFERS) + #define RECORD_SIZE MAX_RECORD_SIZE +#else + #ifdef WOLFSSL_DTLS + #define RECORD_SIZE MAX_MTU + #else + #define RECORD_SIZE 128 + #endif +#endif + + +/* user option to turn off 16K output option */ +/* if using small static buffers (default) and SSL_write tries to write data + larger than the record we have, dynamically get it, unless user says only + write in static buffer chunks */ +#ifndef STATIC_CHUNKS_ONLY + #define OUTPUT_RECORD_SIZE MAX_RECORD_SIZE +#else + #define OUTPUT_RECORD_SIZE RECORD_SIZE +#endif + +/* wolfSSL input buffer + + RFC 2246: + + length + The length (in bytes) of the following TLSPlaintext.fragment. + The length should not exceed 2^14. +*/ +#if defined(LARGE_STATIC_BUFFERS) + #define STATIC_BUFFER_LEN RECORD_HEADER_SZ + RECORD_SIZE + COMP_EXTRA + \ + MTU_EXTRA + MAX_MSG_EXTRA +#else + /* don't fragment memory from the record header */ + #define STATIC_BUFFER_LEN RECORD_HEADER_SZ +#endif + +typedef struct { + ALIGN16 byte staticBuffer[STATIC_BUFFER_LEN]; + byte* buffer; /* place holder for static or dynamic buffer */ + word32 length; /* total buffer length used */ + word32 idx; /* idx to part of length already consumed */ + word32 bufferSize; /* current buffer size */ + byte dynamicFlag; /* dynamic memory currently in use */ + byte offset; /* alignment offset attempt */ +} bufferStatic; + +/* Cipher Suites holder */ +struct Suites { + word16 suiteSz; /* suite length in bytes */ + word16 hashSigAlgoSz; /* SigAlgo extension length in bytes */ + byte suites[WOLFSSL_MAX_SUITE_SZ]; + byte hashSigAlgo[WOLFSSL_MAX_SIGALGO]; /* sig/algo to offer */ + byte setSuites; /* user set suites from default */ + byte hashAlgo; /* selected hash algorithm */ + byte sigAlgo; /* selected sig algorithm */ +#if defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY) + WOLF_STACK_OF(WOLFSSL_CIPHER)* stack; /* stack of available cipher suites */ +#endif +}; + + +WOLFSSL_LOCAL void InitSuitesHashSigAlgo(Suites* suites, int haveECDSAsig, + int haveRSAsig, int haveAnon, + int tls1_2, int keySz); +WOLFSSL_LOCAL void InitSuites(Suites*, ProtocolVersion, int, word16, word16, + word16, word16, word16, word16, word16, int); +WOLFSSL_LOCAL int MatchSuite(WOLFSSL* ssl, Suites* peerSuites); +WOLFSSL_LOCAL int SetCipherList(WOLFSSL_CTX*, Suites*, const char* list); + +#ifndef PSK_TYPES_DEFINED + typedef unsigned int (*wc_psk_client_callback)(WOLFSSL*, const char*, char*, + unsigned int, unsigned char*, unsigned int); + typedef unsigned int (*wc_psk_server_callback)(WOLFSSL*, const char*, + unsigned char*, unsigned int); +#ifdef WOLFSSL_TLS13 + typedef unsigned int (*wc_psk_client_tls13_callback)(WOLFSSL*, const char*, + char*, unsigned int, unsigned char*, unsigned int, + const char**); + typedef unsigned int (*wc_psk_server_tls13_callback)(WOLFSSL*, const char*, + unsigned char*, unsigned int, const char**); +#endif +#endif /* PSK_TYPES_DEFINED */ +#if defined(WOLFSSL_DTLS) && defined(WOLFSSL_SESSION_EXPORT) && \ + !defined(WOLFSSL_DTLS_EXPORT_TYPES) + typedef int (*wc_dtls_export)(WOLFSSL* ssl, + unsigned char* exportBuffer, unsigned int sz, void* userCtx); +#define WOLFSSL_DTLS_EXPORT_TYPES +#endif /* WOLFSSL_DTLS_EXPORT_TYPES */ + + +#if defined(OPENSSL_ALL) || defined(WOLFSSL_QT) +#define MAX_DESCRIPTION_SZ 255 +#endif +/* wolfSSL Cipher type just points back to SSL */ +struct WOLFSSL_CIPHER { + byte cipherSuite0; + byte cipherSuite; + WOLFSSL* ssl; +#if defined(OPENSSL_ALL) || defined(WOLFSSL_QT) + char description[MAX_DESCRIPTION_SZ]; + unsigned long offset; + unsigned int in_stack; /* TRUE if added to stack in wolfSSL_get_ciphers_compat */ + int bits; +#endif +}; + + +#ifdef NO_ASN + /* no_asn won't have */ + typedef struct CertStatus CertStatus; +#endif + +#ifndef HAVE_OCSP + typedef struct WOLFSSL_OCSP WOLFSSL_OCSP; +#endif + +/* wolfSSL OCSP controller */ +#ifdef HAVE_OCSP +struct WOLFSSL_OCSP { + WOLFSSL_CERT_MANAGER* cm; /* pointer back to cert manager */ + OcspEntry* ocspList; /* OCSP response list */ + wolfSSL_Mutex ocspLock; /* OCSP list lock */ + int error; +#if defined(OPENSSL_ALL) || defined(OPENSSL_EXTRA) || \ + defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY) + int(*statusCb)(WOLFSSL*, void*); +#endif +}; +#endif + +#ifndef MAX_DATE_SIZE +#define MAX_DATE_SIZE 32 +#endif + +typedef struct CRL_Entry CRL_Entry; + +#ifdef NO_SHA + #define CRL_DIGEST_SIZE WC_SHA256_DIGEST_SIZE +#else + #define CRL_DIGEST_SIZE WC_SHA_DIGEST_SIZE +#endif + +#ifdef NO_ASN + typedef struct RevokedCert RevokedCert; +#endif + +/* Complete CRL */ +struct CRL_Entry { + CRL_Entry* next; /* next entry */ + byte issuerHash[CRL_DIGEST_SIZE]; /* issuer hash */ + /* byte crlHash[CRL_DIGEST_SIZE]; raw crl data hash */ + /* restore the hash here if needed for optimized comparisons */ + byte lastDate[MAX_DATE_SIZE]; /* last date updated */ + byte nextDate[MAX_DATE_SIZE]; /* next update date */ + byte lastDateFormat; /* last date format */ + byte nextDateFormat; /* next date format */ + RevokedCert* certs; /* revoked cert list */ + int totalCerts; /* number on list */ + int verified; + byte* toBeSigned; + word32 tbsSz; + byte* signature; + word32 signatureSz; + word32 signatureOID; +#if !defined(NO_SKID) && !defined(NO_ASN) + byte extAuthKeyIdSet; + byte extAuthKeyId[KEYID_SIZE]; +#endif +}; + + +typedef struct CRL_Monitor CRL_Monitor; + +/* CRL directory monitor */ +struct CRL_Monitor { + char* path; /* full dir path, if valid pointer we're using */ + int type; /* PEM or ASN1 type */ +}; + + +#if defined(HAVE_CRL) && defined(NO_FILESYSTEM) + #undef HAVE_CRL_MONITOR +#endif + +/* wolfSSL CRL controller */ +struct WOLFSSL_CRL { + WOLFSSL_CERT_MANAGER* cm; /* pointer back to cert manager */ + CRL_Entry* crlList; /* our CRL list */ +#ifdef HAVE_CRL_IO + CbCrlIO crlIOCb; +#endif + wolfSSL_Mutex crlLock; /* CRL list lock */ + CRL_Monitor monitors[2]; /* PEM and DER possible */ +#ifdef HAVE_CRL_MONITOR + pthread_cond_t cond; /* condition to signal setup */ + pthread_t tid; /* monitoring thread */ + int mfd; /* monitor fd, -1 if no init yet */ + int setup; /* thread is setup predicate */ +#endif + void* heap; /* heap hint for dynamic memory */ +}; + + +#ifdef NO_ASN + typedef struct Signer Signer; +#ifdef WOLFSSL_TRUST_PEER_CERT + typedef struct TrustedPeerCert TrustedPeerCert; +#endif +#endif + + +#ifndef CA_TABLE_SIZE + #define CA_TABLE_SIZE 11 +#endif +#ifdef WOLFSSL_TRUST_PEER_CERT + #define TP_TABLE_SIZE 11 +#endif + +/* wolfSSL Certificate Manager */ +struct WOLFSSL_CERT_MANAGER { + Signer* caTable[CA_TABLE_SIZE]; /* the CA signer table */ + void* heap; /* heap helper */ +#ifdef WOLFSSL_TRUST_PEER_CERT + TrustedPeerCert* tpTable[TP_TABLE_SIZE]; /* table of trusted peer certs */ + wolfSSL_Mutex tpLock; /* trusted peer list lock */ +#endif + WOLFSSL_CRL* crl; /* CRL checker */ + WOLFSSL_OCSP* ocsp; /* OCSP checker */ +#if !defined(NO_WOLFSSL_SERVER) && (defined(HAVE_CERTIFICATE_STATUS_REQUEST) \ + || defined(HAVE_CERTIFICATE_STATUS_REQUEST_V2)) + WOLFSSL_OCSP* ocsp_stapling; /* OCSP checker for OCSP stapling */ +#endif + char* ocspOverrideURL; /* use this responder */ + void* ocspIOCtx; /* I/O callback CTX */ +#ifndef NO_WOLFSSL_CM_VERIFY + VerifyCallback verifyCallback; /* Verify callback */ +#endif + CallbackCACache caCacheCallback; /* CA cache addition callback */ + CbMissingCRL cbMissingCRL; /* notify through cb of missing crl */ + CbOCSPIO ocspIOCb; /* I/O callback for OCSP lookup */ + CbOCSPRespFree ocspRespFreeCb; /* Frees OCSP Response from IO Cb */ + wolfSSL_Mutex caLock; /* CA list lock */ + byte crlEnabled; /* is CRL on ? */ + byte crlCheckAll; /* always leaf, but all ? */ + byte ocspEnabled; /* is OCSP on ? */ + byte ocspCheckAll; /* always leaf, but all ? */ + byte ocspSendNonce; /* send the OCSP nonce ? */ + byte ocspUseOverrideURL; /* ignore cert's responder, override */ + byte ocspStaplingEnabled; /* is OCSP Stapling on ? */ + +#ifndef NO_RSA + short minRsaKeySz; /* minimum allowed RSA key size */ +#endif +#if defined(HAVE_ECC) || defined(HAVE_ED25519) || defined(HAVE_ED448) + short minEccKeySz; /* minimum allowed ECC key size */ +#endif +}; + +WOLFSSL_LOCAL int CM_SaveCertCache(WOLFSSL_CERT_MANAGER*, const char*); +WOLFSSL_LOCAL int CM_RestoreCertCache(WOLFSSL_CERT_MANAGER*, const char*); +WOLFSSL_LOCAL int CM_MemSaveCertCache(WOLFSSL_CERT_MANAGER*, void*, int, int*); +WOLFSSL_LOCAL int CM_MemRestoreCertCache(WOLFSSL_CERT_MANAGER*, const void*, int); +WOLFSSL_LOCAL int CM_GetCertCacheMemSize(WOLFSSL_CERT_MANAGER*); +WOLFSSL_LOCAL int CM_VerifyBuffer_ex(WOLFSSL_CERT_MANAGER* cm, const byte* buff, + long sz, int format, int err_val); + + +#ifndef NO_CERTS +#if !defined NOCERTS &&\ + (!defined(NO_WOLFSSL_CLIENT) || !defined(WOLFSSL_NO_CLIENT_AUTH)) +typedef struct ProcPeerCertArgs { + buffer* certs; +#ifdef WOLFSSL_TLS13 + buffer* exts; /* extensions */ +#endif + DecodedCert* dCert; + word32 idx; + word32 begin; + int totalCerts; /* number of certs in certs buffer */ + int count; + int certIdx; + int lastErr; +#ifdef WOLFSSL_TLS13 + byte ctxSz; +#endif +#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL) + char untrustedDepth; +#endif + word16 fatal:1; + word16 verifyErr:1; + word16 dCertInit:1; +#ifdef WOLFSSL_TRUST_PEER_CERT + word16 haveTrustPeer:1; /* was cert verified by loaded trusted peer cert */ +#endif +} ProcPeerCertArgs; +WOLFSSL_LOCAL int DoVerifyCallback(WOLFSSL_CERT_MANAGER* cm, WOLFSSL* ssl, + int ret, ProcPeerCertArgs* args); +#endif /* !defined(NO_WOLFSSL_CLIENT) || !defined(WOLFSSL_NO_CLIENT_AUTH) */ +#endif /* !defined NO_CERTS */ + +/* wolfSSL Sock Addr */ +struct WOLFSSL_SOCKADDR { + unsigned int sz; /* sockaddr size */ + void* sa; /* pointer to the sockaddr_in or sockaddr_in6 */ +}; + +typedef struct WOLFSSL_DTLS_CTX { + WOLFSSL_SOCKADDR peer; + int rfd; + int wfd; +} WOLFSSL_DTLS_CTX; + + +typedef struct WOLFSSL_DTLS_PEERSEQ { + word32 window[WOLFSSL_DTLS_WINDOW_WORDS]; + /* Sliding window for current epoch */ + word16 nextEpoch; /* Expected epoch in next record */ + word16 nextSeq_hi; /* Expected sequence in next record */ + word32 nextSeq_lo; + + word32 prevWindow[WOLFSSL_DTLS_WINDOW_WORDS]; + /* Sliding window for old epoch */ + word32 prevSeq_lo; + word16 prevSeq_hi; /* Next sequence in allowed old epoch */ + +#ifdef WOLFSSL_MULTICAST + word16 peerId; + word32 highwaterMark; +#endif +} WOLFSSL_DTLS_PEERSEQ; + + +#define MAX_WRITE_IV_SZ 16 /* max size of client/server write_IV */ + +/* keys and secrets + * keep as a constant size (no additional ifdefs) for session export */ +typedef struct Keys { +#if !defined(WOLFSSL_AEAD_ONLY) || defined(WOLFSSL_TLS13) + byte client_write_MAC_secret[WC_MAX_DIGEST_SIZE]; /* max sizes */ + byte server_write_MAC_secret[WC_MAX_DIGEST_SIZE]; +#endif + byte client_write_key[MAX_SYM_KEY_SIZE]; /* max sizes */ + byte server_write_key[MAX_SYM_KEY_SIZE]; + byte client_write_IV[MAX_WRITE_IV_SZ]; /* max sizes */ + byte server_write_IV[MAX_WRITE_IV_SZ]; +#if defined(HAVE_AEAD) || defined(WOLFSSL_SESSION_EXPORT) + byte aead_exp_IV[AEAD_MAX_EXP_SZ]; + byte aead_enc_imp_IV[AEAD_MAX_IMP_SZ]; + byte aead_dec_imp_IV[AEAD_MAX_IMP_SZ]; +#endif + + word32 peer_sequence_number_hi; + word32 peer_sequence_number_lo; + word32 sequence_number_hi; + word32 sequence_number_lo; + +#ifdef WOLFSSL_DTLS + word16 curEpoch; /* Received epoch in current record */ + word16 curSeq_hi; /* Received sequence in current record */ + word32 curSeq_lo; +#ifdef WOLFSSL_MULTICAST + byte curPeerId; /* Received peer group ID in current record */ +#endif + WOLFSSL_DTLS_PEERSEQ peerSeq[WOLFSSL_DTLS_PEERSEQ_SZ]; + + word16 dtls_peer_handshake_number; + word16 dtls_expected_peer_handshake_number; + + word16 dtls_epoch; /* Current epoch */ + word16 dtls_sequence_number_hi; /* Current epoch */ + word32 dtls_sequence_number_lo; + word16 dtls_prev_sequence_number_hi; /* Previous epoch */ + word32 dtls_prev_sequence_number_lo; + word16 dtls_handshake_number; /* Current tx handshake seq */ +#endif + + word32 encryptSz; /* last size of encrypted data */ + word32 padSz; /* how much to advance after decrypt part */ + byte encryptionOn; /* true after change cipher spec */ + byte decryptedCur; /* only decrypt current record once */ +#ifdef WOLFSSL_TLS13 + byte updateResponseReq:1; /* KeyUpdate response from peer required. */ + byte keyUpdateRespond:1; /* KeyUpdate is to be responded to. */ +#endif +#ifdef WOLFSSL_RENESAS_TSIP_TLS + byte tsip_client_write_MAC_secret[TSIP_TLS_HMAC_KEY_INDEX_WORDSIZE]; + byte tsip_server_write_MAC_secret[TSIP_TLS_HMAC_KEY_INDEX_WORDSIZE]; +#endif +} Keys; + + + +/** TLS Extensions - RFC 6066 */ +#ifdef HAVE_TLS_EXTENSIONS + +typedef enum { + TLSX_SERVER_NAME = 0x0000, /* a.k.a. SNI */ + TLSX_MAX_FRAGMENT_LENGTH = 0x0001, + TLSX_TRUSTED_CA_KEYS = 0x0003, + TLSX_TRUNCATED_HMAC = 0x0004, + TLSX_STATUS_REQUEST = 0x0005, /* a.k.a. OCSP stapling */ + TLSX_SUPPORTED_GROUPS = 0x000a, /* a.k.a. Supported Curves */ + TLSX_EC_POINT_FORMATS = 0x000b, +#if !defined(WOLFSSL_NO_SIGALG) + TLSX_SIGNATURE_ALGORITHMS = 0x000d, +#endif + TLSX_APPLICATION_LAYER_PROTOCOL = 0x0010, /* a.k.a. ALPN */ + TLSX_STATUS_REQUEST_V2 = 0x0011, /* a.k.a. OCSP stapling v2 */ +#if defined(HAVE_ENCRYPT_THEN_MAC) && !defined(WOLFSSL_AEAD_ONLY) + TLSX_ENCRYPT_THEN_MAC = 0x0016, /* RFC 7366 */ +#endif + TLSX_QUANTUM_SAFE_HYBRID = 0x0018, /* a.k.a. QSH */ + TLSX_SESSION_TICKET = 0x0023, +#ifdef WOLFSSL_TLS13 + #if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK) + TLSX_PRE_SHARED_KEY = 0x0029, + #endif + #ifdef WOLFSSL_EARLY_DATA + TLSX_EARLY_DATA = 0x002a, + #endif + TLSX_SUPPORTED_VERSIONS = 0x002b, + TLSX_COOKIE = 0x002c, + #if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK) + TLSX_PSK_KEY_EXCHANGE_MODES = 0x002d, + #endif + #ifdef WOLFSSL_POST_HANDSHAKE_AUTH + TLSX_POST_HANDSHAKE_AUTH = 0x0031, + #endif + #if defined(WOLFSSL_TLS13_DRAFT_18) || defined(WOLFSSL_TLS13_DRAFT_22) + TLSX_KEY_SHARE = 0x0028, + #else + TLSX_SIGNATURE_ALGORITHMS_CERT = 0x0032, + TLSX_KEY_SHARE = 0x0033, + #endif +#endif + TLSX_RENEGOTIATION_INFO = 0xff01 +} TLSX_Type; + +typedef struct TLSX { + TLSX_Type type; /* Extension Type */ + void* data; /* Extension Data */ + word32 val; /* Extension Value */ + byte resp; /* IsResponse Flag */ + struct TLSX* next; /* List Behavior */ +} TLSX; + +WOLFSSL_LOCAL TLSX* TLSX_Find(TLSX* list, TLSX_Type type); +WOLFSSL_LOCAL void TLSX_Remove(TLSX** list, TLSX_Type type, void* heap); +WOLFSSL_LOCAL void TLSX_FreeAll(TLSX* list, void* heap); +WOLFSSL_LOCAL int TLSX_SupportExtensions(WOLFSSL* ssl); +WOLFSSL_LOCAL int TLSX_PopulateExtensions(WOLFSSL* ssl, byte isRequest); + +#if defined(WOLFSSL_TLS13) || !defined(NO_WOLFSSL_CLIENT) +WOLFSSL_LOCAL int TLSX_GetRequestSize(WOLFSSL* ssl, byte msgType, + word16* pLength); +WOLFSSL_LOCAL int TLSX_WriteRequest(WOLFSSL* ssl, byte* output, + byte msgType, word16* pOffset); +#endif + +#if defined(WOLFSSL_TLS13) || !defined(NO_WOLFSSL_SERVER) +/* TLS 1.3 Certificate messages have extensions. */ +WOLFSSL_LOCAL int TLSX_GetResponseSize(WOLFSSL* ssl, byte msgType, + word16* pLength); +WOLFSSL_LOCAL int TLSX_WriteResponse(WOLFSSL *ssl, byte* output, byte msgType, + word16* pOffset); +#endif + +WOLFSSL_LOCAL int TLSX_ParseVersion(WOLFSSL* ssl, byte* input, word16 length, + byte msgType, int* found); +WOLFSSL_LOCAL int TLSX_Parse(WOLFSSL* ssl, byte* input, word16 length, + byte msgType, Suites *suites); + +#elif defined(HAVE_SNI) \ + || defined(HAVE_MAX_FRAGMENT) \ + || defined(HAVE_TRUSTED_CA) \ + || defined(HAVE_TRUNCATED_HMAC) \ + || defined(HAVE_CERTIFICATE_STATUS_REQUEST) \ + || defined(HAVE_CERTIFICATE_STATUS_REQUEST_V2) \ + || defined(HAVE_SUPPORTED_CURVES) \ + || defined(HAVE_ALPN) \ + || defined(HAVE_QSH) \ + || defined(HAVE_SESSION_TICKET) \ + || defined(HAVE_SECURE_RENEGOTIATION) \ + || defined(HAVE_SERVER_RENEGOTIATION_INFO) + +#error Using TLS extensions requires HAVE_TLS_EXTENSIONS to be defined. + +#endif /* HAVE_TLS_EXTENSIONS */ + +/** Server Name Indication - RFC 6066 (session 3) */ +#ifdef HAVE_SNI + +typedef struct SNI { + byte type; /* SNI Type */ + union { char* host_name; } data; /* SNI Data */ + struct SNI* next; /* List Behavior */ + byte status; /* Matching result */ +#ifndef NO_WOLFSSL_SERVER + byte options; /* Behavior options */ +#endif +} SNI; + +WOLFSSL_LOCAL int TLSX_UseSNI(TLSX** extensions, byte type, const void* data, + word16 size, void* heap); +WOLFSSL_LOCAL byte TLSX_SNI_Status(TLSX* extensions, byte type); +WOLFSSL_LOCAL word16 TLSX_SNI_GetRequest(TLSX* extensions, byte type, + void** data); + +#ifndef NO_WOLFSSL_SERVER +WOLFSSL_LOCAL void TLSX_SNI_SetOptions(TLSX* extensions, byte type, + byte options); +WOLFSSL_LOCAL int TLSX_SNI_GetFromBuffer(const byte* buffer, word32 bufferSz, + byte type, byte* sni, word32* inOutSz); +#endif + +#endif /* HAVE_SNI */ + +/* Trusted CA Key Indication - RFC 6066 (section 6) */ +#ifdef HAVE_TRUSTED_CA + +typedef struct TCA { + byte type; /* TCA Type */ + byte* id; /* TCA identifier */ + word16 idSz; /* TCA identifier size */ + struct TCA* next; /* List Behavior */ +} TCA; + +WOLFSSL_LOCAL int TLSX_UseTrustedCA(TLSX** extensions, byte type, + const byte* id, word16 idSz, void* heap); + +#endif /* HAVE_TRUSTED_CA */ + +/* Application-Layer Protocol Negotiation - RFC 7301 */ +#ifdef HAVE_ALPN +typedef struct ALPN { + char* protocol_name; /* ALPN protocol name */ + struct ALPN* next; /* List Behavior */ + byte options; /* Behavior options */ + byte negotiated; /* ALPN protocol negotiated or not */ +} ALPN; + +WOLFSSL_LOCAL int TLSX_ALPN_GetRequest(TLSX* extensions, + void** data, word16 *dataSz); + +WOLFSSL_LOCAL int TLSX_UseALPN(TLSX** extensions, const void* data, + word16 size, byte options, void* heap); + +WOLFSSL_LOCAL int TLSX_ALPN_SetOptions(TLSX** extensions, const byte option); + +#endif /* HAVE_ALPN */ + +/** Maximum Fragment Length Negotiation - RFC 6066 (session 4) */ +#ifdef HAVE_MAX_FRAGMENT + +WOLFSSL_LOCAL int TLSX_UseMaxFragment(TLSX** extensions, byte mfl, void* heap); + +#endif /* HAVE_MAX_FRAGMENT */ + +/** Truncated HMAC - RFC 6066 (session 7) */ +#ifdef HAVE_TRUNCATED_HMAC + +WOLFSSL_LOCAL int TLSX_UseTruncatedHMAC(TLSX** extensions, void* heap); + +#endif /* HAVE_TRUNCATED_HMAC */ + +/** Certificate Status Request - RFC 6066 (session 8) */ +#ifdef HAVE_CERTIFICATE_STATUS_REQUEST + +typedef struct { + byte status_type; + byte options; + WOLFSSL* ssl; + union { + OcspRequest ocsp; + } request; +#if defined(WOLFSSL_TLS13) && !defined(NO_WOLFSSL_SERVER) + buffer response; +#endif +} CertificateStatusRequest; + +WOLFSSL_LOCAL int TLSX_UseCertificateStatusRequest(TLSX** extensions, + byte status_type, byte options, WOLFSSL* ssl, void* heap, int devId); +#ifndef NO_CERTS +WOLFSSL_LOCAL int TLSX_CSR_InitRequest(TLSX* extensions, DecodedCert* cert, + void* heap); +#endif +WOLFSSL_LOCAL void* TLSX_CSR_GetRequest(TLSX* extensions); +WOLFSSL_LOCAL int TLSX_CSR_ForceRequest(WOLFSSL* ssl); + +#endif + +/** Certificate Status Request v2 - RFC 6961 */ +#ifdef HAVE_CERTIFICATE_STATUS_REQUEST_V2 + +typedef struct CSRIv2 { + byte status_type; + byte options; + word16 requests; + union { + OcspRequest ocsp[1 + MAX_CHAIN_DEPTH]; + } request; + struct CSRIv2* next; +} CertificateStatusRequestItemV2; + +WOLFSSL_LOCAL int TLSX_UseCertificateStatusRequestV2(TLSX** extensions, + byte status_type, byte options, void* heap, int devId); +#ifndef NO_CERTS +WOLFSSL_LOCAL int TLSX_CSR2_InitRequests(TLSX* extensions, DecodedCert* cert, + byte isPeer, void* heap); +#endif +WOLFSSL_LOCAL void* TLSX_CSR2_GetRequest(TLSX* extensions, byte status_type, + byte index); +WOLFSSL_LOCAL int TLSX_CSR2_ForceRequest(WOLFSSL* ssl); + +#endif + +/** Supported Elliptic Curves - RFC 4492 (session 4) */ +#ifdef HAVE_SUPPORTED_CURVES + +typedef struct SupportedCurve { + word16 name; /* Curve Names */ + struct SupportedCurve* next; /* List Behavior */ +} SupportedCurve; + +typedef struct PointFormat { + byte format; /* PointFormat */ + struct PointFormat* next; /* List Behavior */ +} PointFormat; + +WOLFSSL_LOCAL int TLSX_UseSupportedCurve(TLSX** extensions, word16 name, + void* heap); + +WOLFSSL_LOCAL int TLSX_UsePointFormat(TLSX** extensions, byte point, + void* heap); + +#ifndef NO_WOLFSSL_SERVER +WOLFSSL_LOCAL int TLSX_ValidateSupportedCurves(WOLFSSL* ssl, byte first, + byte second); +WOLFSSL_LOCAL int TLSX_SupportedCurve_CheckPriority(WOLFSSL* ssl); +WOLFSSL_LOCAL int TLSX_SupportedFFDHE_Set(WOLFSSL* ssl); +#endif +WOLFSSL_LOCAL int TLSX_SupportedCurve_Preferred(WOLFSSL* ssl, + int checkSupported); + +#endif /* HAVE_SUPPORTED_CURVES */ + +/** Renegotiation Indication - RFC 5746 */ +#if defined(HAVE_SECURE_RENEGOTIATION) \ + || defined(HAVE_SERVER_RENEGOTIATION_INFO) + +enum key_cache_state { + SCR_CACHE_NULL = 0, /* empty / begin state */ + SCR_CACHE_NEEDED, /* need to cache keys */ + SCR_CACHE_COPY, /* we have a cached copy */ + SCR_CACHE_PARTIAL, /* partial restore to real keys */ + SCR_CACHE_COMPLETE /* complete restore to real keys */ +}; + +/* Additional Connection State according to rfc5746 section 3.1 */ +typedef struct SecureRenegotiation { + byte enabled; /* secure_renegotiation flag in rfc */ + byte verifySet; + byte startScr; /* server requested client to start scr */ + enum key_cache_state cache_status; /* track key cache state */ + byte client_verify_data[TLS_FINISHED_SZ]; /* cached */ + byte server_verify_data[TLS_FINISHED_SZ]; /* cached */ + byte subject_hash_set; /* if peer cert hash is set */ + byte subject_hash[KEYID_SIZE]; /* peer cert hash */ + Keys tmp_keys; /* can't overwrite real keys yet */ +} SecureRenegotiation; + +WOLFSSL_LOCAL int TLSX_UseSecureRenegotiation(TLSX** extensions, void* heap); + +#ifdef HAVE_SERVER_RENEGOTIATION_INFO +WOLFSSL_LOCAL int TLSX_AddEmptyRenegotiationInfo(TLSX** extensions, void* heap); +#endif + +#endif /* HAVE_SECURE_RENEGOTIATION */ + +/** Session Ticket - RFC 5077 (session 3.2) */ +#ifdef HAVE_SESSION_TICKET + +typedef struct SessionTicket { + word32 lifetime; +#ifdef WOLFSSL_TLS13 + word64 seen; + word32 ageAdd; +#endif + byte* data; + word16 size; +} SessionTicket; + +WOLFSSL_LOCAL int TLSX_UseSessionTicket(TLSX** extensions, + SessionTicket* ticket, void* heap); +WOLFSSL_LOCAL SessionTicket* TLSX_SessionTicket_Create(word32 lifetime, + byte* data, word16 size, void* heap); +WOLFSSL_LOCAL void TLSX_SessionTicket_Free(SessionTicket* ticket, void* heap); + +#endif /* HAVE_SESSION_TICKET */ + +/** Quantum-Safe-Hybrid - draft-whyte-qsh-tls12-00 */ +#ifdef HAVE_QSH + +typedef struct QSHScheme { + struct QSHScheme* next; /* List Behavior */ + byte* PK; + word16 name; /* QSHScheme Names */ + word16 PKLen; +} QSHScheme; + +typedef struct QSHkey { + struct QSHKey* next; + word16 name; + buffer pub; + buffer pri; +} QSHKey; + +typedef struct QSHSecret { + QSHScheme* list; + buffer* SerSi; + buffer* CliSi; +} QSHSecret; + +/* used in key exchange during handshake */ +WOLFSSL_LOCAL int TLSX_QSHCipher_Parse(WOLFSSL* ssl, const byte* input, + word16 length, byte isServer); +WOLFSSL_LOCAL word16 TLSX_QSHPK_Write(QSHScheme* list, byte* output); +WOLFSSL_LOCAL word16 TLSX_QSH_GetSize(QSHScheme* list, byte isRequest); + +/* used by api for setting a specific QSH scheme */ +WOLFSSL_LOCAL int TLSX_UseQSHScheme(TLSX** extensions, word16 name, + byte* pKey, word16 pKeySz, void* heap); + +/* used when parsing in QSHCipher structs */ +WOLFSSL_LOCAL int QSH_Decrypt(QSHKey* key, byte* in, word32 szIn, + byte* out, word16* szOut); +#ifndef NO_WOLFSSL_SERVER +WOLFSSL_LOCAL int TLSX_ValidateQSHScheme(TLSX** extensions, word16 name); +#endif + +#endif /* HAVE_QSH */ + +#ifdef WOLFSSL_TLS13 +/* Cookie extension information - cookie data. */ +typedef struct Cookie { + word16 len; + byte data; +} Cookie; + +WOLFSSL_LOCAL int TLSX_Cookie_Use(WOLFSSL* ssl, byte* data, word16 len, + byte* mac, byte macSz, int resp); + + +/* Key Share - TLS v1.3 Specification */ + +/* The KeyShare extension information - entry in a linked list. */ +typedef struct KeyShareEntry { + word16 group; /* NamedGroup */ + byte* ke; /* Key exchange data */ + word32 keLen; /* Key exchange data length */ + void* key; /* Private key */ + word32 keyLen; /* Private key length */ + byte* pubKey; /* Public key */ + word32 pubKeyLen; /* Public key length */ + struct KeyShareEntry* next; /* List pointer */ +} KeyShareEntry; + +WOLFSSL_LOCAL int TLSX_KeyShare_Use(WOLFSSL* ssl, word16 group, word16 len, + byte* data, KeyShareEntry **kse); +WOLFSSL_LOCAL int TLSX_KeyShare_Empty(WOLFSSL* ssl); +WOLFSSL_LOCAL int TLSX_KeyShare_Establish(WOLFSSL* ssl); +WOLFSSL_LOCAL int TLSX_KeyShare_DeriveSecret(WOLFSSL* ssl); + + +#if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK) +#ifndef WOLFSSL_TLS13_DRAFT_18 +/* Ticket nonce - for deriving PSK. + * Length allowed to be: 1..255. Only support 4 bytes. + */ +typedef struct TicketNonce { + byte len; + byte data[MAX_TICKET_NONCE_SZ]; +} TicketNonce; +#endif + +/* The PreSharedKey extension information - entry in a linked list. */ +typedef struct PreSharedKey { + word16 identityLen; /* Length of identity */ + byte* identity; /* PSK identity */ + word32 ticketAge; /* Age of the ticket */ + byte cipherSuite0; /* Cipher Suite */ + byte cipherSuite; /* Cipher Suite */ + word32 binderLen; /* Length of HMAC */ + byte binder[WC_MAX_DIGEST_SIZE]; /* HMAC of handshake */ + byte hmac; /* HMAC algorithm */ + byte resumption:1; /* Resumption PSK */ + byte chosen:1; /* Server's choice */ + struct PreSharedKey* next; /* List pointer */ +} PreSharedKey; + +WOLFSSL_LOCAL int TLSX_PreSharedKey_WriteBinders(PreSharedKey* list, + byte* output, byte msgType, + word16* pSz); +WOLFSSL_LOCAL int TLSX_PreSharedKey_GetSizeBinders(PreSharedKey* list, + byte msgType, word16* pSz); +WOLFSSL_LOCAL int TLSX_PreSharedKey_Use(WOLFSSL* ssl, byte* identity, + word16 len, word32 age, byte hmac, + byte cipherSuite0, byte cipherSuite, + byte resumption, + PreSharedKey **preSharedKey); + +/* The possible Pre-Shared Key key exchange modes. */ +enum PskKeyExchangeMode { + PSK_KE, + PSK_DHE_KE +}; + +/* User can define this. */ +#ifndef WOLFSSL_DEF_PSK_CIPHER +#define WOLFSSL_DEF_PSK_CIPHER TLS_AES_128_GCM_SHA256 +#endif + +WOLFSSL_LOCAL int TLSX_PskKeModes_Use(WOLFSSL* ssl, byte modes); + +#ifdef WOLFSSL_EARLY_DATA +WOLFSSL_LOCAL int TLSX_EarlyData_Use(WOLFSSL* ssl, word32 max); +#endif +#endif /* HAVE_SESSION_TICKET || !NO_PSK */ + + +/* The types of keys to derive for. */ +enum DeriveKeyType { + no_key, + early_data_key, + handshake_key, + traffic_key, + update_traffic_key +}; + +/* The key update request values for KeyUpdate message. */ +enum KeyUpdateRequest { + update_not_requested, + update_requested +}; +#endif /* WOLFSSL_TLS13 */ + + +#ifdef OPENSSL_EXTRA +enum SetCBIO { + WOLFSSL_CBIO_NONE = 0, + WOLFSSL_CBIO_RECV = 0x1, + WOLFSSL_CBIO_SEND = 0x2, +}; +#endif + +/* wolfSSL context type */ +struct WOLFSSL_CTX { + WOLFSSL_METHOD* method; +#ifdef SINGLE_THREADED + WC_RNG* rng; /* to be shared with WOLFSSL w/o locking */ +#endif + wolfSSL_Mutex countMutex; /* reference count mutex */ + int refCount; /* reference count */ + int err; /* error code in case of mutex not created */ +#ifndef NO_DH + buffer serverDH_P; + buffer serverDH_G; +#endif +#ifndef NO_CERTS + DerBuffer* certificate; + DerBuffer* certChain; + /* chain after self, in DER, with leading size for each cert */ + #if defined(OPENSSL_EXTRA) || defined(WOLFSSL_EXTRA) + WOLF_STACK_OF(WOLFSSL_X509_NAME)* ca_names; + #endif + #if defined(OPENSSL_ALL) || defined(OPENSSL_EXTRA) || \ + defined(WOLFSSL_NGINX) || defined (WOLFSSL_HAPROXY) + WOLF_STACK_OF(WOLFSSL_X509)* x509Chain; + client_cert_cb CBClientCert; /* client certificate callback */ + #endif +#ifdef WOLFSSL_TLS13 + int certChainCnt; +#endif + DerBuffer* privateKey; + byte privateKeyType:7; + byte privateKeyId:1; + int privateKeySz; + int privateKeyDevId; + WOLFSSL_CERT_MANAGER* cm; /* our cert manager, ctx owns SSL will use */ +#endif +#ifdef KEEP_OUR_CERT + WOLFSSL_X509* ourCert; /* keep alive a X509 struct of cert */ + int ownOurCert; /* Dispose of certificate if we own */ +#endif + Suites* suites; /* make dynamic, user may not need/set */ + void* heap; /* for user memory overrides */ + byte verifyDepth; + byte verifyPeer:1; + byte verifyNone:1; + byte failNoCert:1; + byte failNoCertxPSK:1; /* fail if no cert with the exception of PSK*/ + byte sessionCacheOff:1; + byte sessionCacheFlushOff:1; +#ifdef HAVE_EXT_CACHE + byte internalCacheOff:1; +#endif + byte sendVerify:2; /* for client side (can not be single bit) */ + byte haveRSA:1; /* RSA available */ + byte haveECC:1; /* ECC available */ + byte haveDH:1; /* server DH parms set by user */ + byte haveNTRU:1; /* server private NTRU key loaded */ + byte haveECDSAsig:1; /* server cert signed w/ ECDSA */ + byte haveStaticECC:1; /* static server ECC private key */ + byte partialWrite:1; /* only one msg per write call */ + byte quietShutdown:1; /* don't send close notify */ + byte groupMessages:1; /* group handshake messages before sending */ + byte minDowngrade; /* minimum downgrade version */ + byte haveEMS:1; /* have extended master secret extension */ + byte useClientOrder:1; /* Use client's cipher preference order */ +#ifdef WOLFSSL_TLS13 + byte noTicketTls13:1; /* Server won't create new Ticket */ + byte noPskDheKe:1; /* Don't use (EC)DHE with PSK */ +#endif + byte mutualAuth:1; /* Mutual authentication required */ +#if defined(WOLFSSL_TLS13) && defined(WOLFSSL_POST_HANDSHAKE_AUTH) + byte postHandshakeAuth:1; /* Post-handshake auth supported. */ +#endif +#ifndef NO_DH + #if !defined(WOLFSSL_OLD_PRIME_CHECK) && !defined(HAVE_FIPS) && \ + !defined(HAVE_SELFTEST) + byte dhKeyTested:1; /* Set when key has been tested. */ + #endif +#endif +#ifdef HAVE_SECURE_RENEGOTIATION + byte useSecureReneg:1; /* when set will set WOLFSSL objects generated to enable */ +#endif +#ifdef HAVE_ENCRYPT_THEN_MAC + byte disallowEncThenMac:1; /* Don't do Encrypt-Then-MAC */ +#endif +#ifdef WOLFSSL_STATIC_MEMORY + byte onHeap:1; /* whether the ctx/method is put on heap hint */ +#endif +#ifdef WOLFSSL_MULTICAST + byte haveMcast; /* multicast requested */ + byte mcastID; /* multicast group ID */ +#endif +#if defined(WOLFSSL_SCTP) && defined(WOLFSSL_DTLS) + byte dtlsSctp; /* DTLS-over-SCTP mode */ +#endif +#if (defined(WOLFSSL_SCTP) || defined(WOLFSSL_DTLS_MTU)) && \ + defined(WOLFSSL_DTLS) + word16 dtlsMtuSz; /* DTLS MTU size */ +#endif +#ifndef NO_DH + word16 minDhKeySz; /* minimum DH key size */ + word16 maxDhKeySz; /* maximum DH key size */ +#endif +#ifndef NO_RSA + short minRsaKeySz; /* minimum RSA key size */ +#endif +#if defined(HAVE_ECC) || defined(HAVE_ED25519) || defined(HAVE_ED448) + short minEccKeySz; /* minimum ECC key size */ +#endif +#if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER) + unsigned long mask; /* store SSL_OP_ flags */ +#endif +#ifdef OPENSSL_EXTRA + byte sessionCtx[ID_LEN]; /* app session context ID */ + word32 disabledCurves; /* curves disabled by user */ + const unsigned char *alpn_cli_protos;/* ALPN client protocol list */ + unsigned int alpn_cli_protos_len; + byte sessionCtxSz; + byte cbioFlag; /* WOLFSSL_CBIO_RECV/SEND: CBIORecv/Send is set */ + CallbackInfoState* CBIS; /* used to get info about SSL state */ +#endif + CallbackIORecv CBIORecv; + CallbackIOSend CBIOSend; +#ifdef WOLFSSL_DTLS + CallbackGenCookie CBIOCookie; /* gen cookie callback */ +#ifdef WOLFSSL_SESSION_EXPORT + wc_dtls_export dtls_export; /* export function for DTLS session */ + CallbackGetPeer CBGetPeer; + CallbackSetPeer CBSetPeer; +#endif +#endif /* WOLFSSL_DTLS */ + VerifyCallback verifyCallback; /* cert verification callback */ +#ifdef OPENSSL_ALL + CertVerifyCallback verifyCertCb; + void* verifyCertCbArg; +#endif /* OPENSSL_ALL */ + word32 timeout; /* session timeout */ +#if defined(HAVE_ECC) || defined(HAVE_CURVE25519) || defined(HAVE_ED448) + word32 ecdhCurveOID; /* curve Ecc_Sum */ +#endif +#ifdef HAVE_ECC + word16 eccTempKeySz; /* in octets 20 - 66 */ +#endif +#if defined(HAVE_ECC) || defined(HAVE_ED25519) || defined(HAVE_ED448) + word32 pkCurveOID; /* curve Ecc_Sum */ +#endif +#if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK) + byte havePSK; /* psk key set by user */ + wc_psk_client_callback client_psk_cb; /* client callback */ + wc_psk_server_callback server_psk_cb; /* server callback */ +#ifdef WOLFSSL_TLS13 + wc_psk_client_tls13_callback client_psk_tls13_cb; /* client callback */ + wc_psk_server_tls13_callback server_psk_tls13_cb; /* server callback */ +#endif + char server_hint[MAX_PSK_ID_LEN + NULL_TERM_LEN]; +#endif /* HAVE_SESSION_TICKET || !NO_PSK */ +#ifdef WOLFSSL_TLS13 + word16 group[WOLFSSL_MAX_GROUP_COUNT]; + byte numGroups; +#endif +#ifdef WOLFSSL_EARLY_DATA + word32 maxEarlyDataSz; +#endif +#ifdef HAVE_ANON + byte haveAnon; /* User wants to allow Anon suites */ +#endif /* HAVE_ANON */ +#ifdef WOLFSSL_ENCRYPTED_KEYS + pem_password_cb* passwd_cb; + void* passwd_userdata; +#endif +#if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER) + WOLFSSL_X509_STORE x509_store; /* points to ctx->cm */ + WOLFSSL_X509_STORE* x509_store_pt; /* take ownership of external store */ + byte readAhead; + void* userPRFArg; /* passed to prf callback */ +#endif +#ifdef HAVE_EX_DATA + WOLFSSL_CRYPTO_EX_DATA ex_data; +#endif +#if defined(HAVE_ALPN) && (defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY)) + CallbackALPNSelect alpnSelect; + void* alpnSelectArg; +#endif +#if defined(OPENSSL_ALL) || (defined(OPENSSL_EXTRA) && (defined(HAVE_STUNNEL) || \ + defined(WOLFSSL_NGINX) || defined(HAVE_LIGHTY) || \ + defined(WOLFSSL_HAPROXY) || defined(WOLFSSL_OPENSSH) )) + CallbackSniRecv sniRecvCb; + void* sniRecvCbArg; +#endif +#if defined(WOLFSSL_MULTICAST) && defined(WOLFSSL_DTLS) + CallbackMcastHighwater mcastHwCb; /* Sequence number highwater callback */ + word32 mcastFirstSeq; /* first trigger level */ + word32 mcastSecondSeq; /* second trigger level */ + word32 mcastMaxSeq; /* max level */ +#endif +#ifdef HAVE_OCSP + WOLFSSL_OCSP ocsp; +#endif + int devId; /* async device id to use */ +#ifdef HAVE_TLS_EXTENSIONS + TLSX* extensions; /* RFC 6066 TLS Extensions data */ + #ifndef NO_WOLFSSL_SERVER + #if defined(HAVE_CERTIFICATE_STATUS_REQUEST) \ + || defined(HAVE_CERTIFICATE_STATUS_REQUEST_V2) + OcspRequest* certOcspRequest; + #endif + #if defined(HAVE_CERTIFICATE_STATUS_REQUEST_V2) + OcspRequest* chainOcspRequest[MAX_CHAIN_DEPTH]; + #endif + #endif + #if defined(HAVE_SESSION_TICKET) && !defined(NO_WOLFSSL_SERVER) + SessionTicketEncCb ticketEncCb; /* enc/dec session ticket Cb */ + void* ticketEncCtx; /* session encrypt context */ + int ticketHint; /* ticket hint in seconds */ + #endif + #ifdef HAVE_SUPPORTED_CURVES + byte userCurves; /* indicates user called wolfSSL_CTX_UseSupportedCurve */ + #endif +#endif +#ifdef ATOMIC_USER + CallbackMacEncrypt MacEncryptCb; /* Atomic User Mac/Encrypt Cb */ + CallbackDecryptVerify DecryptVerifyCb; /* Atomic User Decrypt/Verify Cb */ + #ifdef HAVE_ENCRYPT_THEN_MAC + CallbackEncryptMac EncryptMacCb; /* Atomic User Mac/Enc Cb */ + CallbackVerifyDecrypt VerifyDecryptCb; /* Atomic User Dec/Verify Cb */ + #endif +#endif +#ifdef HAVE_PK_CALLBACKS + #ifdef HAVE_ECC + CallbackEccKeyGen EccKeyGenCb; /* User EccKeyGen Callback Handler */ + CallbackEccSign EccSignCb; /* User EccSign Callback handler */ + CallbackEccVerify EccVerifyCb; /* User EccVerify Callback handler */ + CallbackEccSharedSecret EccSharedSecretCb; /* User EccVerify Callback handler */ + #ifdef HAVE_ED25519 + /* User Ed25519Sign Callback handler */ + CallbackEd25519Sign Ed25519SignCb; + /* User Ed25519Verify Callback handler */ + CallbackEd25519Verify Ed25519VerifyCb; + #endif + #ifdef HAVE_CURVE25519 + /* User X25519 KeyGen Callback Handler */ + CallbackX25519KeyGen X25519KeyGenCb; + /* User X25519 SharedSecret Callback handler */ + CallbackX25519SharedSecret X25519SharedSecretCb; + #endif + #ifdef HAVE_ED448 + /* User Ed448Sign Callback handler */ + CallbackEd448Sign Ed448SignCb; + /* User Ed448Verify Callback handler */ + CallbackEd448Verify Ed448VerifyCb; + #endif + #ifdef HAVE_CURVE448 + /* User X448 KeyGen Callback Handler */ + CallbackX448KeyGen X448KeyGenCb; + /* User X448 SharedSecret Callback handler */ + CallbackX448SharedSecret X448SharedSecretCb; + #endif + #endif /* HAVE_ECC */ + #ifndef NO_DH + CallbackDhAgree DhAgreeCb; /* User DH Agree Callback handler */ + #endif + #ifndef NO_RSA + CallbackRsaSign RsaSignCb; /* User RsaSign Callback handler (priv key) */ + CallbackRsaVerify RsaVerifyCb; /* User RsaVerify Callback handler (pub key) */ + CallbackRsaVerify RsaSignCheckCb; /* User VerifyRsaSign Callback handler (priv key) */ + #ifdef WC_RSA_PSS + CallbackRsaPssSign RsaPssSignCb; /* User RsaSign (priv key) */ + CallbackRsaPssVerify RsaPssVerifyCb; /* User RsaVerify (pub key) */ + CallbackRsaPssVerify RsaPssSignCheckCb; /* User VerifyRsaSign (priv key) */ + #endif + CallbackRsaEnc RsaEncCb; /* User Rsa Public Encrypt handler */ + CallbackRsaDec RsaDecCb; /* User Rsa Private Decrypt handler */ + #endif /* NO_RSA */ +#endif /* HAVE_PK_CALLBACKS */ +#ifdef HAVE_WOLF_EVENT + WOLF_EVENT_QUEUE event_queue; +#endif /* HAVE_WOLF_EVENT */ +#ifdef HAVE_EXT_CACHE + WOLFSSL_SESSION*(*get_sess_cb)(WOLFSSL*, unsigned char*, int, int*); + int (*new_sess_cb)(WOLFSSL*, WOLFSSL_SESSION*); + void (*rem_sess_cb)(WOLFSSL_CTX*, WOLFSSL_SESSION*); +#endif +#if defined(OPENSSL_EXTRA) && defined(WOLFCRYPT_HAVE_SRP) && !defined(NO_SHA256) + Srp* srp; /* TLS Secure Remote Password Protocol*/ + byte* srp_password; +#endif +}; + +WOLFSSL_LOCAL +int InitSSL_Ctx(WOLFSSL_CTX*, WOLFSSL_METHOD*, void* heap); +WOLFSSL_LOCAL +void FreeSSL_Ctx(WOLFSSL_CTX*); +WOLFSSL_LOCAL +void SSL_CtxResourceFree(WOLFSSL_CTX*); + +WOLFSSL_LOCAL +int DeriveTlsKeys(WOLFSSL* ssl); +WOLFSSL_LOCAL +int ProcessOldClientHello(WOLFSSL* ssl, const byte* input, word32* inOutIdx, + word32 inSz, word16 sz); + +#ifndef NO_CERTS + WOLFSSL_LOCAL + int AddCA(WOLFSSL_CERT_MANAGER* cm, DerBuffer** pDer, int type, int verify); + WOLFSSL_LOCAL + int AlreadySigner(WOLFSSL_CERT_MANAGER* cm, byte* hash); +#ifdef WOLFSSL_TRUST_PEER_CERT + WOLFSSL_LOCAL + int AddTrustedPeer(WOLFSSL_CERT_MANAGER* cm, DerBuffer** pDer, int verify); + WOLFSSL_LOCAL + int AlreadyTrustedPeer(WOLFSSL_CERT_MANAGER* cm, byte* hash); +#endif +#endif + +/* All cipher suite related info + * Keep as a constant size (no ifdefs) for session export */ +typedef struct CipherSpecs { + word16 key_size; + word16 iv_size; + word16 block_size; + word16 aead_mac_size; + byte bulk_cipher_algorithm; + byte cipher_type; /* block, stream, or aead */ + byte mac_algorithm; + byte kea; /* key exchange algo */ + byte sig_algo; + byte hash_size; + byte pad_size; + byte static_ecdh; +} CipherSpecs; + + +void InitCipherSpecs(CipherSpecs* cs); + + +/* Supported Key Exchange Protocols */ +enum KeyExchangeAlgorithm { + no_kea, + rsa_kea, + diffie_hellman_kea, + fortezza_kea, + psk_kea, + dhe_psk_kea, + ecdhe_psk_kea, + ntru_kea, + ecc_diffie_hellman_kea, + ecc_static_diffie_hellman_kea /* for verify suite only */ +}; + + +/* Supported Authentication Schemes */ +enum SignatureAlgorithm { + anonymous_sa_algo = 0, + rsa_sa_algo = 1, + dsa_sa_algo = 2, + ecc_dsa_sa_algo = 3, + rsa_pss_sa_algo = 8, + ed25519_sa_algo = 9, + rsa_pss_pss_algo = 10, + ed448_sa_algo = 11 +}; + +#define PSS_RSAE_TO_PSS_PSS(macAlgo) \ + (macAlgo + (pss_sha256 - sha256_mac)) + +#define PSS_PSS_HASH_TO_MAC(macAlgo) \ + (macAlgo - (pss_sha256 - sha256_mac)) + +enum SigAlgRsaPss { + pss_sha256 = 0x09, + pss_sha384 = 0x0a, + pss_sha512 = 0x0b, +}; + + +/* Supprted ECC Curve Types */ +enum EccCurves { + named_curve = 3 +}; + + +/* Valid client certificate request types from page 27 */ +enum ClientCertificateType { + rsa_sign = 1, + dss_sign = 2, + rsa_fixed_dh = 3, + dss_fixed_dh = 4, + rsa_ephemeral_dh = 5, + dss_ephemeral_dh = 6, + fortezza_kea_cert = 20, + ecdsa_sign = 64, + rsa_fixed_ecdh = 65, + ecdsa_fixed_ecdh = 66 +}; + + +#ifndef WOLFSSL_AEAD_ONLY +enum CipherType { stream, block, aead }; +#else +enum CipherType { aead }; +#endif + + +#if defined(BUILD_AES) || defined(BUILD_AESGCM) || (defined(HAVE_CHACHA) && \ + defined(HAVE_POLY1305)) || defined(WOLFSSL_TLS13) + #define CIPHER_NONCE +#endif + + +/* cipher for now */ +typedef struct Ciphers { +#ifdef BUILD_ARC4 + Arc4* arc4; +#endif +#ifdef BUILD_DES3 + Des3* des3; +#endif +#if defined(BUILD_AES) || defined(BUILD_AESGCM) + Aes* aes; + #if (defined(BUILD_AESGCM) || defined(HAVE_AESCCM)) && \ + !defined(WOLFSSL_NO_TLS12) + byte* additional; + #endif +#endif +#ifdef CIPHER_NONCE + byte* nonce; +#endif +#ifdef HAVE_CAMELLIA + Camellia* cam; +#endif +#ifdef HAVE_CHACHA + ChaCha* chacha; +#endif +#ifdef HAVE_HC128 + HC128* hc128; +#endif +#ifdef BUILD_RABBIT + Rabbit* rabbit; +#endif +#ifdef HAVE_IDEA + Idea* idea; +#endif +#if defined(WOLFSSL_TLS13) && defined(HAVE_NULL_CIPHER) + Hmac* hmac; +#endif + byte state; + byte setup; /* have we set it up flag for detection */ +} Ciphers; + + +#ifdef HAVE_ONE_TIME_AUTH +/* Ciphers for one time authentication such as poly1305 */ +typedef struct OneTimeAuth { +#ifdef HAVE_POLY1305 + Poly1305* poly1305; +#endif + byte setup; /* flag for if a cipher has been set */ + +} OneTimeAuth; +#endif + + +WOLFSSL_LOCAL void InitCiphers(WOLFSSL* ssl); +WOLFSSL_LOCAL void FreeCiphers(WOLFSSL* ssl); + + +/* hashes type */ +typedef struct Hashes { + #if !defined(NO_MD5) && !defined(NO_OLD_TLS) + byte md5[WC_MD5_DIGEST_SIZE]; + #endif + #if !defined(NO_SHA) + byte sha[WC_SHA_DIGEST_SIZE]; + #endif + #ifndef NO_SHA256 + byte sha256[WC_SHA256_DIGEST_SIZE]; + #endif + #ifdef WOLFSSL_SHA384 + byte sha384[WC_SHA384_DIGEST_SIZE]; + #endif + #ifdef WOLFSSL_SHA512 + byte sha512[WC_SHA512_DIGEST_SIZE]; + #endif +} Hashes; + +WOLFSSL_LOCAL int BuildCertHashes(WOLFSSL* ssl, Hashes* hashes); + +#ifdef WOLFSSL_TLS13 +typedef union Digest { +#ifndef NO_WOLFSSL_SHA256 + wc_Sha256 sha256; +#endif +#ifdef WOLFSSL_SHA384 + wc_Sha384 sha384; +#endif +#ifdef WOLFSSL_SHA512 + wc_Sha512 sha512; +#endif +} Digest; +#endif + +/* Static x509 buffer */ +typedef struct x509_buffer { + int length; /* actual size */ + byte buffer[MAX_X509_SIZE]; /* max static cert size */ +} x509_buffer; + + +/* wolfSSL X509_CHAIN, for no dynamic memory SESSION_CACHE */ +struct WOLFSSL_X509_CHAIN { + int count; /* total number in chain */ + x509_buffer certs[MAX_CHAIN_DEPTH]; /* only allow max depth 4 for now */ +}; + + +/* wolfSSL session type */ +struct WOLFSSL_SESSION { + word32 bornOn; /* create time in seconds */ + word32 timeout; /* timeout in seconds */ + byte sessionID[ID_LEN]; /* id for protocol */ + byte sessionIDSz; + byte masterSecret[SECRET_LEN]; /* stored secret */ + word16 haveEMS; /* ext master secret flag */ +#ifdef SESSION_CERTS +#ifdef OPENSSL_EXTRA + WOLFSSL_X509* peer; /* peer cert */ +#endif + WOLFSSL_X509_CHAIN chain; /* peer cert chain, static */ + #ifdef WOLFSSL_ALT_CERT_CHAINS + WOLFSSL_X509_CHAIN altChain; /* peer alt cert chain, static */ + #endif +#endif +#if defined(SESSION_CERTS) || (defined(WOLFSSL_TLS13) && \ + defined(HAVE_SESSION_TICKET)) + ProtocolVersion version; /* which version was used */ +#endif +#if defined(SESSION_CERTS) || !defined(NO_RESUME_SUITE_CHECK) || \ + (defined(WOLFSSL_TLS13) && defined(HAVE_SESSION_TICKET)) + byte cipherSuite0; /* first byte, normally 0 */ + byte cipherSuite; /* 2nd byte, actual suite */ +#endif +#ifndef NO_CLIENT_CACHE + word16 idLen; /* serverID length */ + byte serverID[SERVER_ID_LEN]; /* for easier client lookup */ +#endif +#ifdef OPENSSL_EXTRA + byte sessionCtxSz; /* sessionCtx length */ + byte sessionCtx[ID_LEN]; /* app specific context id */ +#endif +#ifdef WOLFSSL_TLS13 + word16 namedGroup; +#endif +#if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK) + #ifdef WOLFSSL_TLS13 + word32 ticketSeen; /* Time ticket seen (ms) */ + word32 ticketAdd; /* Added by client */ + #ifndef WOLFSSL_TLS13_DRAFT_18 + TicketNonce ticketNonce; /* Nonce used to derive PSK */ + #endif + #endif + #ifdef WOLFSSL_EARLY_DATA + word32 maxEarlyDataSz; + #endif +#endif +#ifdef HAVE_SESSION_TICKET + byte* ticket; + word16 ticketLen; + byte staticTicket[SESSION_TICKET_LEN]; + byte isDynamic; +#endif +#ifdef HAVE_EXT_CACHE + byte isAlloced; +#endif +#ifdef HAVE_EX_DATA + WOLFSSL_CRYPTO_EX_DATA ex_data; +#endif +}; + + +WOLFSSL_LOCAL +WOLFSSL_SESSION* GetSession(WOLFSSL*, byte*, byte); +WOLFSSL_LOCAL +int SetSession(WOLFSSL*, WOLFSSL_SESSION*); + +typedef int (*hmacfp) (WOLFSSL*, byte*, const byte*, word32, int, int, int); + +#ifndef NO_CLIENT_CACHE + WOLFSSL_SESSION* GetSessionClient(WOLFSSL*, const byte*, int); +#endif + +/* client connect state for nonblocking restart */ +enum ConnectState { + CONNECT_BEGIN = 0, + CLIENT_HELLO_SENT, + HELLO_AGAIN, /* HELLO_AGAIN s for DTLS case */ + HELLO_AGAIN_REPLY, + FIRST_REPLY_DONE, + FIRST_REPLY_FIRST, + FIRST_REPLY_SECOND, + FIRST_REPLY_THIRD, + FIRST_REPLY_FOURTH, + FINISHED_DONE, + SECOND_REPLY_DONE +}; + + +/* server accept state for nonblocking restart */ +enum AcceptState { + ACCEPT_BEGIN = 0, + ACCEPT_BEGIN_RENEG, + ACCEPT_CLIENT_HELLO_DONE, + ACCEPT_HELLO_RETRY_REQUEST_DONE, + ACCEPT_FIRST_REPLY_DONE, + SERVER_HELLO_SENT, + SERVER_EXTENSIONS_SENT, + CERT_SENT, + CERT_VERIFY_SENT, + CERT_STATUS_SENT, + KEY_EXCHANGE_SENT, + CERT_REQ_SENT, + SERVER_HELLO_DONE, + ACCEPT_SECOND_REPLY_DONE, + TICKET_SENT, + CHANGE_CIPHER_SENT, + ACCEPT_FINISHED_DONE, + ACCEPT_THIRD_REPLY_DONE +}; + +/* TLS 1.3 server accept state for nonblocking restart */ +enum AcceptStateTls13 { + TLS13_ACCEPT_BEGIN = 0, + TLS13_ACCEPT_BEGIN_RENEG, + TLS13_ACCEPT_CLIENT_HELLO_DONE, + TLS13_ACCEPT_HELLO_RETRY_REQUEST_DONE, + TLS13_ACCEPT_FIRST_REPLY_DONE, + TLS13_ACCEPT_SECOND_REPLY_DONE, + TLS13_SERVER_HELLO_SENT, + TLS13_ACCEPT_THIRD_REPLY_DONE, + TLS13_SERVER_EXTENSIONS_SENT, + TLS13_CERT_REQ_SENT, + TLS13_CERT_SENT, + TLS13_CERT_VERIFY_SENT, + TLS13_ACCEPT_FINISHED_SENT, + TLS13_PRE_TICKET_SENT, + TLS13_ACCEPT_FINISHED_DONE, + TLS13_TICKET_SENT +}; + +/* buffers for struct WOLFSSL */ +typedef struct Buffers { + bufferStatic inputBuffer; + bufferStatic outputBuffer; + buffer domainName; /* for client check */ + buffer clearOutputBuffer; + buffer sig; /* signature data */ + buffer digest; /* digest data */ + int prevSent; /* previous plain text bytes sent + when got WANT_WRITE */ + int plainSz; /* plain text bytes in buffer to send + when got WANT_WRITE */ + byte weOwnCert; /* SSL own cert flag */ + byte weOwnCertChain; /* SSL own cert chain flag */ + byte weOwnKey; /* SSL own key flag */ + byte weOwnDH; /* SSL own dh (p,g) flag */ +#ifndef NO_DH + buffer serverDH_P; /* WOLFSSL_CTX owns, unless we own */ + buffer serverDH_G; /* WOLFSSL_CTX owns, unless we own */ + buffer serverDH_Pub; + buffer serverDH_Priv; + DhKey* serverDH_Key; +#endif +#ifndef NO_CERTS + DerBuffer* certificate; /* WOLFSSL_CTX owns, unless we own */ + DerBuffer* key; /* WOLFSSL_CTX owns, unless we own */ + byte keyType:7; /* Type of key: RSA, ECC, Ed25519 */ + byte keyId:1; /* Key data is an id not data */ + int keySz; /* Size of RSA key */ + int keyDevId; /* Device Id for key */ + DerBuffer* certChain; /* WOLFSSL_CTX owns, unless we own */ + /* chain after self, in DER, with leading size for each cert */ +#ifdef WOLFSSL_TLS13 + int certChainCnt; + DerBuffer* certExts; +#endif +#endif +#ifdef WOLFSSL_SEND_HRR_COOKIE + buffer tls13CookieSecret; /* HRR cookie secret */ +#endif +#ifdef WOLFSSL_DTLS + WOLFSSL_DTLS_CTX dtlsCtx; /* DTLS connection context */ + #ifndef NO_WOLFSSL_SERVER + buffer dtlsCookieSecret; /* DTLS cookie secret */ + #endif /* NO_WOLFSSL_SERVER */ +#endif +#ifdef HAVE_PK_CALLBACKS + #ifdef HAVE_ECC + buffer peerEccDsaKey; /* we own for Ecc Verify Callbacks */ + #endif /* HAVE_ECC */ + #ifdef HAVE_ED25519 + buffer peerEd25519Key; /* for Ed25519 Verify Callbacks */ + #endif /* HAVE_ED25519 */ + #ifdef HAVE_ED448 + buffer peerEd448Key; /* for Ed448 Verify Callbacks */ + #endif /* HAVE_ED448 */ + #ifndef NO_RSA + buffer peerRsaKey; /* we own for Rsa Verify Callbacks */ + #endif /* NO_RSA */ +#endif /* HAVE_PK_CALLBACKS */ +} Buffers; + +/* sub-states for send/do key share (key exchange) */ +enum asyncState { + TLS_ASYNC_BEGIN = 0, + TLS_ASYNC_BUILD, + TLS_ASYNC_DO, + TLS_ASYNC_VERIFY, + TLS_ASYNC_FINALIZE, + TLS_ASYNC_END +}; + +/* sub-states for build message */ +enum buildMsgState { + BUILD_MSG_BEGIN = 0, + BUILD_MSG_SIZE, + BUILD_MSG_HASH, + BUILD_MSG_VERIFY_MAC, + BUILD_MSG_ENCRYPT, + BUILD_MSG_ENCRYPTED_VERIFY_MAC, +}; + +/* sub-states for cipher operations */ +enum cipherState { + CIPHER_STATE_BEGIN = 0, + CIPHER_STATE_DO, + CIPHER_STATE_END, +}; + +typedef struct Options { +#ifndef NO_PSK + wc_psk_client_callback client_psk_cb; + wc_psk_server_callback server_psk_cb; +#ifdef WOLFSSL_TLS13 + wc_psk_client_tls13_callback client_psk_tls13_cb; /* client callback */ + wc_psk_server_tls13_callback server_psk_tls13_cb; /* server callback */ +#endif +#endif /* NO_PSK */ +#if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER) + unsigned long mask; /* store SSL_OP_ flags */ +#endif + + /* on/off or small bit flags, optimize layout */ +#if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK) + word16 havePSK:1; /* psk key set by user */ +#endif /* HAVE_SESSION_TICKET || !NO_PSK */ + word16 sendVerify:2; /* false = 0, true = 1, sendBlank = 2 */ + word16 sessionCacheOff:1; + word16 sessionCacheFlushOff:1; +#ifdef HAVE_EXT_CACHE + word16 internalCacheOff:1; +#endif + word16 side:2; /* client, server or neither end */ + word16 verifyPeer:1; + word16 verifyNone:1; + word16 failNoCert:1; + word16 failNoCertxPSK:1; /* fail for no cert except with PSK */ + word16 downgrade:1; /* allow downgrade of versions */ + word16 resuming:1; + word16 haveSessionId:1; /* server may not send */ + word16 tls:1; /* using TLS ? */ + word16 tls1_1:1; /* using TLSv1.1+ ? */ + word16 tls1_3:1; /* using TLSv1.3+ ? */ + word16 dtls:1; /* using datagrams ? */ + word16 connReset:1; /* has the peer reset */ + word16 isClosed:1; /* if we consider conn closed */ + word16 closeNotify:1; /* we've received a close notify */ + word16 sentNotify:1; /* we've sent a close notify */ + word16 usingCompression:1; /* are we using compression */ + word16 haveRSA:1; /* RSA available */ + word16 haveECC:1; /* ECC available */ + word16 haveDH:1; /* server DH parms set by user */ + word16 haveNTRU:1; /* server NTRU private key loaded */ + word16 haveQSH:1; /* have QSH ability */ + word16 haveECDSAsig:1; /* server ECDSA signed cert */ + word16 haveStaticECC:1; /* static server ECC private key */ + word16 havePeerCert:1; /* do we have peer's cert */ + word16 havePeerVerify:1; /* and peer's cert verify */ + word16 usingPSK_cipher:1; /* are using psk as cipher */ + word16 usingAnon_cipher:1; /* are we using an anon cipher */ + word16 noPskDheKe:1; /* Don't use (EC)DHE with PSK */ + word16 sendAlertState:1; /* nonblocking resume */ + word16 partialWrite:1; /* only one msg per write call */ + word16 quietShutdown:1; /* don't send close notify */ + word16 certOnly:1; /* stop once we get cert */ + word16 groupMessages:1; /* group handshake messages */ + word16 saveArrays:1; /* save array Memory for user get keys + or psk */ + word16 weOwnRng:1; /* will be true unless CTX owns */ + word16 haveEMS:1; /* using extended master secret */ +#ifdef HAVE_POLY1305 + word16 oldPoly:1; /* set when to use old rfc way of poly*/ +#endif +#ifdef HAVE_ANON + word16 haveAnon:1; /* User wants to allow Anon suites */ +#endif +#ifdef HAVE_SESSION_TICKET + word16 createTicket:1; /* Server to create new Ticket */ + word16 useTicket:1; /* Use Ticket not session cache */ + word16 rejectTicket:1; /* Callback rejected ticket */ +#ifdef WOLFSSL_TLS13 + word16 noTicketTls13:1; /* Server won't create new Ticket */ +#endif +#endif +#ifdef WOLFSSL_DTLS + word16 dtlsUseNonblock:1; /* are we using nonblocking socket */ + word16 dtlsHsRetain:1; /* DTLS retaining HS data */ + word16 haveMcast:1; /* using multicast ? */ +#ifdef WOLFSSL_SCTP + word16 dtlsSctp:1; /* DTLS-over-SCTP mode */ +#endif +#endif +#if defined(HAVE_TLS_EXTENSIONS) && defined(HAVE_SUPPORTED_CURVES) + word16 userCurves:1; /* indicates user called wolfSSL_UseSupportedCurve */ +#endif + word16 keepResources:1; /* Keep resources after handshake */ + word16 useClientOrder:1; /* Use client's cipher order */ + word16 mutualAuth:1; /* Mutual authentication is rquired */ +#if defined(WOLFSSL_TLS13) && defined(WOLFSSL_POST_HANDSHAKE_AUTH) + word16 postHandshakeAuth:1;/* Client send post_handshake_auth + * extension */ +#endif +#if defined(WOLFSSL_TLS13) && !defined(NO_WOLFSSL_SERVER) + word16 sendCookie:1; /* Server creates a Cookie in HRR */ +#endif +#ifdef WOLFSSL_ALT_CERT_CHAINS + word16 usingAltCertChain:1;/* Alternate cert chain was used */ +#endif +#if defined(WOLFSSL_TLS13) && defined(WOLFSSL_TLS13_MIDDLEBOX_COMPAT) + word16 sentChangeCipher:1; /* Change Cipher Spec sent */ +#endif +#if !defined(WOLFSSL_NO_CLIENT_AUTH) && \ + ((defined(HAVE_ED25519) && !defined(NO_ED25519_CLIENT_AUTH)) || \ + (defined(HAVE_ED448) && !defined(NO_ED448_CLIENT_AUTH))) + word16 cacheMessages:1; /* Cache messages for sign/verify */ +#endif +#ifndef NO_DH + #if !defined(WOLFSSL_OLD_PRIME_CHECK) && \ + !defined(HAVE_FIPS) && !defined(HAVE_SELFTEST) + word16 dhDoKeyTest:1; /* Need to do the DH Key prime test */ + word16 dhKeyTested:1; /* Set when key has been tested. */ + #endif +#endif +#ifdef SINGLE_THREADED + word16 ownSuites:1; /* if suites are malloced in ssl object */ +#endif +#ifdef HAVE_ENCRYPT_THEN_MAC + word16 disallowEncThenMac:1; /* Don't do Encrypt-Then-MAC */ + word16 encThenMac:1; /* Doing Encrypt-Then-MAC */ + word16 startedETMRead:1; /* Doing Encrypt-Then-MAC read */ + word16 startedETMWrite:1; /* Doing Encrypt-Then-MAC write */ +#endif + + /* need full byte values for this section */ + byte processReply; /* nonblocking resume */ + byte cipherSuite0; /* first byte, normally 0 */ + byte cipherSuite; /* second byte, actual suite */ + byte serverState; + byte clientState; + byte handShakeState; + byte handShakeDone; /* at least one handshake complete */ + byte minDowngrade; /* minimum downgrade version */ + byte connectState; /* nonblocking resume */ + byte acceptState; /* nonblocking resume */ + byte asyncState; /* sub-state for enum asyncState */ + byte buildMsgState; /* sub-state for enum buildMsgState */ + byte alertCount; /* detect warning dos attempt */ +#ifdef WOLFSSL_MULTICAST + word16 mcastID; /* Multicast group ID */ +#endif +#ifndef NO_DH + word16 minDhKeySz; /* minimum DH key size */ + word16 maxDhKeySz; /* minimum DH key size */ + word16 dhKeySz; /* actual DH key size */ +#endif +#ifndef NO_RSA + short minRsaKeySz; /* minimum RSA key size */ +#endif +#if defined(HAVE_ECC) || defined(HAVE_ED25519) || defined(HAVE_ED448) + short minEccKeySz; /* minimum ECC key size */ +#endif +#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL) + byte verifyDepth; /* maximum verification depth */ +#endif +#ifdef WOLFSSL_EARLY_DATA + word16 pskIdIndex; + word32 maxEarlyDataSz; +#endif +#ifdef WOLFSSL_TLS13 + byte oldMinor; /* client preferred version < TLS 1.3 */ +#endif +} Options; + +typedef struct Arrays { + byte* pendingMsg; /* defrag buffer */ + byte* preMasterSecret; + word32 preMasterSz; /* differs for DH, actual size */ + word32 pendingMsgSz; /* defrag buffer size */ + word32 pendingMsgOffset; /* current offset into defrag buffer */ +#if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK) + word32 psk_keySz; /* actual size */ + char client_identity[MAX_PSK_ID_LEN + NULL_TERM_LEN]; + char server_hint[MAX_PSK_ID_LEN + NULL_TERM_LEN]; + byte psk_key[MAX_PSK_KEY_LEN]; +#endif + byte clientRandom[RAN_LEN]; + byte serverRandom[RAN_LEN]; + byte sessionID[ID_LEN]; + byte sessionIDSz; +#ifdef WOLFSSL_TLS13 + byte secret[SECRET_LEN]; +#endif + byte masterSecret[SECRET_LEN]; +#if defined(WOLFSSL_RENESAS_TSIP_TLS) && \ + !defined(NO_WOLFSSL_RENESAS_TSIP_TLS_SESSION) + byte tsip_masterSecret[TSIP_TLS_MASTERSECRET_SIZE]; +#endif +#ifdef WOLFSSL_DTLS + byte cookie[MAX_COOKIE_LEN]; + byte cookieSz; +#endif + byte pendingMsgType; /* defrag buffer message type */ +} Arrays; + +#ifndef ASN_NAME_MAX +#define ASN_NAME_MAX 256 +#endif + +#ifndef MAX_DATE_SZ +#define MAX_DATE_SZ 32 +#endif + +#define STACK_TYPE_X509 0 +#define STACK_TYPE_GEN_NAME 1 +#define STACK_TYPE_BIO 2 +#define STACK_TYPE_OBJ 3 +#define STACK_TYPE_STRING 4 +#define STACK_TYPE_CIPHER 5 +#define STACK_TYPE_ACCESS_DESCRIPTION 6 +#define STACK_TYPE_X509_EXT 7 +#define STACK_TYPE_NULL 8 +#define STACK_TYPE_X509_NAME 9 +#define STACK_TYPE_CONF_VALUE 10 +#define STACK_TYPE_X509_INFO 11 + +struct WOLFSSL_STACK { + unsigned long num; /* number of nodes in stack + * (safety measure for freeing and shortcut for count) */ + #if defined(OPENSSL_ALL) + wolf_sk_compare_cb comp; + #endif + + union { + WOLFSSL_X509* x509; + WOLFSSL_X509_NAME* name; + WOLFSSL_X509_INFO* info; + WOLFSSL_BIO* bio; + WOLFSSL_ASN1_OBJECT* obj; + WOLFSSL_CIPHER cipher; + WOLFSSL_ACCESS_DESCRIPTION* access; + WOLFSSL_X509_EXTENSION* ext; + WOLFSSL_CONF_VALUE* conf; + void* generic; + char* string; + WOLFSSL_GENERAL_NAME* gn; + } data; + void* heap; /* memory heap hint */ + WOLFSSL_STACK* next; + byte type; /* Identifies type of stack. */ +}; + +struct WOLFSSL_X509_NAME { + char *name; + int dynamicName; + int sz; + char staticName[ASN_NAME_MAX]; +#if (defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)) && \ + !defined(NO_ASN) + DecodedName fullName; + WOLFSSL_X509_NAME_ENTRY cnEntry; + WOLFSSL_X509_NAME_ENTRY extra[MAX_NAME_ENTRIES]; /* extra entries added */ + WOLFSSL_X509* x509; /* x509 that struct belongs to */ +#endif /* OPENSSL_EXTRA */ +#if defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) + byte raw[ASN_NAME_MAX]; + int rawLen; +#endif +}; + +#ifndef EXTERNAL_SERIAL_SIZE + #define EXTERNAL_SERIAL_SIZE 32 +#endif + +#ifdef NO_ASN + typedef struct DNS_entry DNS_entry; +#endif + +struct WOLFSSL_X509 { + int version; + int serialSz; +#ifdef WOLFSSL_SEP + int deviceTypeSz; + int hwTypeSz; + byte deviceType[EXTERNAL_SERIAL_SIZE]; + byte hwType[EXTERNAL_SERIAL_SIZE]; + int hwSerialNumSz; + byte hwSerialNum[EXTERNAL_SERIAL_SIZE]; +#endif /* WOLFSSL_SEP */ +#if (defined(WOLFSSL_SEP) || defined(WOLFSSL_QT) || defined (OPENSSL_ALL)) && \ + (defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)) + byte certPolicySet; + byte certPolicyCrit; +#endif /* (WOLFSSL_SEP || WOLFSSL_QT) && (OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL) */ +#if defined(WOLFSSL_QT) || defined(OPENSSL_ALL) + WOLFSSL_STACK* ext_sk; /* Store X509_EXTENSIONS from wolfSSL_X509_get_ext */ + WOLFSSL_STACK* ext_d2i;/* Store d2i extensions from wolfSSL_X509_get_ext_d2i */ +#endif /* WOLFSSL_QT || OPENSSL_ALL */ +#ifdef OPENSSL_EXTRA + WOLFSSL_ASN1_INTEGER* serialNumber; /* Stores SN from wolfSSL_X509_get_serialNumber */ +#endif + WOLFSSL_ASN1_TIME notBefore; + WOLFSSL_ASN1_TIME notAfter; + buffer sig; + int sigOID; + DNS_entry* altNames; /* alt names list */ + buffer pubKey; + int pubKeyOID; + DNS_entry* altNamesNext; /* hint for retrieval */ +#if defined(HAVE_ECC) || defined(HAVE_ED25519) || defined(HAVE_ED448) + word32 pkCurveOID; +#endif /* HAVE_ECC */ +#ifndef NO_CERTS + DerBuffer* derCert; /* may need */ +#endif + void* heap; /* heap hint */ + byte dynamicMemory; /* dynamic memory flag */ + byte isCa:1; +#ifdef WOLFSSL_CERT_EXT + char certPolicies[MAX_CERTPOL_NB][MAX_CERTPOL_SZ]; + int certPoliciesNb; +#endif /* WOLFSSL_CERT_EXT */ +#if defined(OPENSSL_EXTRA) || defined(OPENSSL_ALL) + wolfSSL_Mutex refMutex; /* ref count mutex */ + int refCount; /* reference count */ +#endif +#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL) +#ifdef HAVE_EX_DATA + WOLFSSL_CRYPTO_EX_DATA ex_data; +#endif + byte* authKeyId; + byte* subjKeyId; + byte* extKeyUsageSrc; + const byte* CRLInfo; + byte* authInfo; +#if defined(OPENSSL_ALL) || defined(WOLFSSL_QT) + byte* authInfoCaIssuer; + int authInfoCaIssuerSz; +#endif + word32 pathLength; + word16 keyUsage; + int CRLInfoSz; + int authInfoSz; + word32 authKeyIdSz; + word32 subjKeyIdSz; + word32 extKeyUsageSz; + word32 extKeyUsageCount; + + byte CRLdistSet:1; + byte CRLdistCrit:1; + byte authInfoSet:1; + byte authInfoCrit:1; + byte keyUsageSet:1; + byte keyUsageCrit:1; + byte extKeyUsageCrit:1; + byte subjKeyIdSet:1; + + byte subjKeyIdCrit:1; + byte basicConstSet:1; + byte basicConstCrit:1; + byte basicConstPlSet:1; + byte subjAltNameSet:1; + byte subjAltNameCrit:1; + byte authKeyIdSet:1; + byte authKeyIdCrit:1; +#endif /* OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL */ + byte serial[EXTERNAL_SERIAL_SIZE]; + char subjectCN[ASN_NAME_MAX]; /* common name short cut */ +#ifdef WOLFSSL_CERT_REQ + char challengePw[CTC_NAME_SIZE]; /* for REQ certs */ +#endif + WOLFSSL_X509_NAME issuer; + WOLFSSL_X509_NAME subject; +#if defined(OPENSSL_ALL) || defined(WOLFSSL_HAPROXY) || defined(WOLFSSL_WPAS) + WOLFSSL_X509_ALGOR algor; + WOLFSSL_X509_PUBKEY key; +#endif + byte issuerSet:1; +}; + + +/* record layer header for PlainText, Compressed, and CipherText */ +typedef struct RecordLayerHeader { + byte type; + byte pvMajor; + byte pvMinor; + byte length[2]; +} RecordLayerHeader; + + +/* record layer header for DTLS PlainText, Compressed, and CipherText */ +typedef struct DtlsRecordLayerHeader { + byte type; + byte pvMajor; + byte pvMinor; + byte sequence_number[8]; /* per record */ + byte length[2]; +} DtlsRecordLayerHeader; + + +typedef struct DtlsFrag { + word32 begin; + word32 end; + struct DtlsFrag* next; +} DtlsFrag; + + +typedef struct DtlsMsg { + struct DtlsMsg* next; + byte* buf; + byte* msg; + DtlsFrag* fragList; + word32 fragSz; /* Length of fragments received */ + word32 seq; /* Handshake sequence number */ + word32 sz; /* Length of whole message */ + byte type; +} DtlsMsg; + + +#ifdef HAVE_NETX + + /* NETX I/O Callback default */ + typedef struct NetX_Ctx { + NX_TCP_SOCKET* nxSocket; /* send/recv socket handle */ + NX_PACKET* nxPacket; /* incoming packet handle for short reads */ + ULONG nxOffset; /* offset already read from nxPacket */ + ULONG nxWait; /* wait option flag */ + } NetX_Ctx; + +#endif + +/* Handshake messages received from peer (plus change cipher */ +typedef struct MsgsReceived { + word16 got_hello_request:1; + word16 got_client_hello:2; + word16 got_server_hello:2; + word16 got_hello_verify_request:1; + word16 got_session_ticket:1; + word16 got_end_of_early_data:1; + word16 got_hello_retry_request:1; + word16 got_encrypted_extensions:1; + word16 got_certificate:1; + word16 got_certificate_status:1; + word16 got_server_key_exchange:1; + word16 got_certificate_request:1; + word16 got_server_hello_done:1; + word16 got_certificate_verify:1; + word16 got_client_key_exchange:1; + word16 got_finished:1; + word16 got_key_update:1; + word16 got_change_cipher:1; +} MsgsReceived; + + +/* Handshake hashes */ +typedef struct HS_Hashes { + Hashes verifyHashes; + Hashes certHashes; /* for cert verify */ +#ifndef NO_SHA + wc_Sha hashSha; /* sha hash of handshake msgs */ +#endif +#if !defined(NO_MD5) && !defined(NO_OLD_TLS) + wc_Md5 hashMd5; /* md5 hash of handshake msgs */ +#endif +#ifndef NO_SHA256 + wc_Sha256 hashSha256; /* sha256 hash of handshake msgs */ +#endif +#ifdef WOLFSSL_SHA384 + wc_Sha384 hashSha384; /* sha384 hash of handshake msgs */ +#endif +#ifdef WOLFSSL_SHA512 + wc_Sha512 hashSha512; /* sha512 hash of handshake msgs */ +#endif +#if (defined(HAVE_ED25519) || defined(HAVE_ED448)) && \ + !defined(WOLFSSL_NO_CLIENT_AUTH) + byte* messages; /* handshake messages */ + int length; /* length of handshake messages' data */ + int prevLen; /* length of messages but last */ +#endif +} HS_Hashes; + + +#ifdef WOLFSSL_ASYNC_CRYPT + #define MAX_ASYNC_ARGS 18 + typedef void (*FreeArgsCb)(struct WOLFSSL* ssl, void* pArgs); + + struct WOLFSSL_ASYNC { + WC_ASYNC_DEV* dev; + FreeArgsCb freeArgs; /* function pointer to cleanup args */ + word32 args[MAX_ASYNC_ARGS]; /* holder for current args */ + }; +#endif + +#ifdef HAVE_WRITE_DUP + + #define WRITE_DUP_SIDE 1 + #define READ_DUP_SIDE 2 + + typedef struct WriteDup { + wolfSSL_Mutex dupMutex; /* reference count mutex */ + int dupCount; /* reference count */ + int dupErr; /* under dupMutex, pass to other side */ + } WriteDup; + + WOLFSSL_LOCAL void FreeWriteDup(WOLFSSL* ssl); + WOLFSSL_LOCAL int NotifyWriteSide(WOLFSSL* ssl, int err); +#endif /* HAVE_WRITE_DUP */ + +#if defined(WOLFSSL_TLS13) && defined(WOLFSSL_POST_HANDSHAKE_AUTH) +typedef struct CertReqCtx CertReqCtx; + +struct CertReqCtx { + CertReqCtx* next; + byte len; + byte ctx; +}; +#endif + +#ifdef WOLFSSL_EARLY_DATA +typedef enum EarlyDataState { + no_early_data, + early_data_ext, + expecting_early_data, + process_early_data, + done_early_data +} EarlyDataState; +#endif + +/* wolfSSL ssl type */ +struct WOLFSSL { + WOLFSSL_CTX* ctx; + Suites* suites; /* only need during handshake */ + Arrays* arrays; +#ifdef WOLFSSL_TLS13 + byte clientSecret[SECRET_LEN]; + byte serverSecret[SECRET_LEN]; +#endif + HS_Hashes* hsHashes; + void* IOCB_ReadCtx; + void* IOCB_WriteCtx; + WC_RNG* rng; + void* verifyCbCtx; /* cert verify callback user ctx*/ + VerifyCallback verifyCallback; /* cert verification callback */ + void* heap; /* for user overrides */ +#ifdef HAVE_WRITE_DUP + WriteDup* dupWrite; /* valid pointer indicates ON */ + /* side that decrements dupCount to zero frees overall structure */ + byte dupSide; /* write side or read side */ +#endif +#ifdef OPENSSL_EXTRA + byte cbioFlag; /* WOLFSSL_CBIO_RECV/SEND: CBIORecv/Send is set */ +#endif + CallbackIORecv CBIORecv; + CallbackIOSend CBIOSend; +#ifdef WOLFSSL_STATIC_MEMORY + WOLFSSL_HEAP_HINT heap_hint; +#endif +#ifndef NO_HANDSHAKE_DONE_CB + HandShakeDoneCb hsDoneCb; /* notify user handshake done */ + void* hsDoneCtx; /* user handshake cb context */ +#endif +#ifdef WOLFSSL_ASYNC_CRYPT + struct WOLFSSL_ASYNC async; +#elif defined(WOLFSSL_NONBLOCK_OCSP) + void* nonblockarg; /* dynamic arg for handling non-block resume */ +#endif + void* hsKey; /* Handshake key (RsaKey or ecc_key) allocated from heap */ + word32 hsType; /* Type of Handshake key (hsKey) */ + WOLFSSL_CIPHER cipher; +#ifndef WOLFSSL_AEAD_ONLY + hmacfp hmac; +#endif + Ciphers encrypt; + Ciphers decrypt; + Buffers buffers; + WOLFSSL_SESSION session; +#ifdef HAVE_EXT_CACHE + WOLFSSL_SESSION* extSession; +#endif + WOLFSSL_ALERT_HISTORY alert_history; + int error; + int rfd; /* read file descriptor */ + int wfd; /* write file descriptor */ + int rflags; /* user read flags */ + int wflags; /* user write flags */ + word32 timeout; /* session timeout */ + word32 fragOffset; /* fragment offset */ + word16 curSize; + byte verifyDepth; + RecordLayerHeader curRL; + MsgsReceived msgsReceived; /* peer messages received */ + ProtocolVersion version; /* negotiated version */ + ProtocolVersion chVersion; /* client hello version */ + CipherSpecs specs; + Keys keys; + Options options; +#ifdef OPENSSL_EXTRA + CallbackInfoState* CBIS; /* used to get info about SSL state */ + int cbmode; /* read or write on info callback */ + int cbtype; /* event type in info callback */ + WOLFSSL_BIO* biord; /* socket bio read to free/close */ + WOLFSSL_BIO* biowr; /* socket bio write to free/close */ + byte sessionCtx[ID_LEN]; /* app session context ID */ + WOLFSSL_X509_VERIFY_PARAM* param; /* verification parameters*/ +#endif +#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL) + unsigned long peerVerifyRet; +#endif +#ifdef OPENSSL_EXTRA + byte readAhead; + byte sessionCtxSz; /* size of sessionCtx stored */ +#ifdef HAVE_PK_CALLBACKS + void* loggingCtx; /* logging callback argument */ +#endif +#endif /* OPENSSL_EXTRA */ +#ifndef NO_RSA + RsaKey* peerRsaKey; +#ifdef WOLFSSL_RENESAS_TSIP_TLS + byte *peerTsipEncRsaKeyIndex; +#endif + byte peerRsaKeyPresent; +#endif +#ifdef HAVE_QSH + QSHKey* QSH_Key; + QSHKey* peerQSHKey; + QSHSecret* QSH_secret; + byte isQSH; /* is the handshake a QSH? */ + byte sendQSHKeys; /* flag for if the client should sen + public keys */ + byte peerQSHKeyPresent; + byte minRequest; + byte maxRequest; + byte user_set_QSHSchemes; +#endif +#if defined(WOLFSSL_TLS13) || defined(HAVE_FFDHE) + word16 namedGroup; +#endif +#ifdef WOLFSSL_TLS13 + word16 group[WOLFSSL_MAX_GROUP_COUNT]; + byte numGroups; +#endif + word16 pssAlgo; +#ifdef WOLFSSL_TLS13 + #if !defined(WOLFSSL_TLS13_DRAFT_18) && !defined(WOLFSSL_TLS13_DRAFT_22) + word16 certHashSigAlgoSz; /* SigAlgoCert ext length in bytes */ + byte certHashSigAlgo[WOLFSSL_MAX_SIGALGO]; /* cert sig/algo to + * offer */ + #endif /* !WOLFSSL_TLS13_DRAFT_18 && !WOLFSSL_TLS13_DRAFT_22 */ +#endif +#ifdef HAVE_NTRU + word16 peerNtruKeyLen; + byte peerNtruKey[MAX_NTRU_PUB_KEY_SZ]; + byte peerNtruKeyPresent; +#endif +#if defined(HAVE_ECC) || defined(HAVE_ED25519) || defined(HAVE_ED448) + int eccVerifyRes; +#endif +#if defined(HAVE_ECC) || defined(HAVE_CURVE25519) || defined(HAVE_CURVE448) + word32 ecdhCurveOID; /* curve Ecc_Sum */ + ecc_key* eccTempKey; /* private ECDHE key */ + byte eccTempKeyPresent; /* also holds type */ + byte peerEccKeyPresent; +#endif +#ifdef HAVE_ECC + ecc_key* peerEccKey; /* peer's ECDHE key */ + ecc_key* peerEccDsaKey; /* peer's ECDSA key */ + word16 eccTempKeySz; /* in octets 20 - 66 */ + byte peerEccDsaKeyPresent; +#endif +#if defined(HAVE_ECC) || defined(HAVE_ED25519) || defined(HAVE_CURVE448) + word32 pkCurveOID; /* curve Ecc_Sum */ +#endif +#ifdef HAVE_ED25519 + ed25519_key* peerEd25519Key; + byte peerEd25519KeyPresent; +#endif +#ifdef HAVE_CURVE25519 + curve25519_key* peerX25519Key; + byte peerX25519KeyPresent; +#endif +#ifdef HAVE_ED448 + ed448_key* peerEd448Key; + byte peerEd448KeyPresent; +#endif +#ifdef HAVE_CURVE448 + curve448_key* peerX448Key; + byte peerX448KeyPresent; +#endif +#ifdef HAVE_LIBZ + z_stream c_stream; /* compression stream */ + z_stream d_stream; /* decompression stream */ + byte didStreamInit; /* for stream init and end */ +#endif +#ifdef WOLFSSL_DTLS + int dtls_timeout_init; /* starting timeout value */ + int dtls_timeout_max; /* maximum timeout value */ + int dtls_timeout; /* current timeout value, changes */ + word32 dtls_tx_msg_list_sz; + word32 dtls_rx_msg_list_sz; + DtlsMsg* dtls_tx_msg_list; + DtlsMsg* dtls_tx_msg; + DtlsMsg* dtls_rx_msg_list; + void* IOCB_CookieCtx; /* gen cookie ctx */ + word32 dtls_expected_rx; +#ifdef WOLFSSL_SESSION_EXPORT + wc_dtls_export dtls_export; /* export function for session */ +#endif +#if defined(WOLFSSL_SCTP) || defined(WOLFSSL_DTLS_MTU) + word16 dtlsMtuSz; +#endif /* WOLFSSL_SCTP || WOLFSSL_DTLS_MTU */ +#ifdef WOLFSSL_MULTICAST + void* mcastHwCbCtx; /* Multicast highwater callback ctx */ +#endif /* WOLFSSL_MULTICAST */ +#ifdef WOLFSSL_DTLS_DROP_STATS + word32 macDropCount; + word32 replayDropCount; +#endif /* WOLFSSL_DTLS_DROP_STATS */ +#endif /* WOLFSSL_DTLS */ +#ifdef WOLFSSL_CALLBACKS + TimeoutInfo timeoutInfo; /* info saved during handshake */ + HandShakeInfo handShakeInfo; /* info saved during handshake */ +#endif +#ifdef OPENSSL_EXTRA + SSL_Msg_Cb protoMsgCb; /* inspect protocol message callback */ + void* protoMsgCtx; /* user set context with msg callback */ +#endif +#if defined(WOLFSSL_CALLBACKS) || defined(OPENSSL_EXTRA) + byte hsInfoOn; /* track handshake info */ + byte toInfoOn; /* track timeout info */ +#endif +#ifdef HAVE_FUZZER + CallbackFuzzer fuzzerCb; /* for testing with using fuzzer */ + void* fuzzerCtx; /* user defined pointer */ +#endif +#if defined(WOLFSSL_TLS13) && defined(WOLFSSL_POST_HANDSHAKE_AUTH) + CertReqCtx* certReqCtx; +#endif +#ifdef KEEP_PEER_CERT + WOLFSSL_X509 peerCert; /* X509 peer cert */ +#endif +#ifdef KEEP_OUR_CERT + WOLFSSL_X509* ourCert; /* keep alive a X509 struct of cert. + points to ctx if not owned (owned + flag found in buffers.weOwnCert) */ +#endif + byte keepCert; /* keep certificate after handshake */ +#if defined(HAVE_EX_DATA) || defined(FORTRESS) + WOLFSSL_CRYPTO_EX_DATA ex_data; /* external data, for Fortress */ +#endif + int devId; /* async device id to use */ +#ifdef HAVE_ONE_TIME_AUTH + OneTimeAuth auth; +#endif +#ifdef HAVE_TLS_EXTENSIONS + TLSX* extensions; /* RFC 6066 TLS Extensions data */ + #ifdef HAVE_MAX_FRAGMENT + word16 max_fragment; + #endif + #ifdef HAVE_TRUNCATED_HMAC + byte truncated_hmac; + #endif + #ifdef HAVE_CERTIFICATE_STATUS_REQUEST + byte status_request; + #endif + #ifdef HAVE_CERTIFICATE_STATUS_REQUEST_V2 + byte status_request_v2; + #endif + #if defined(HAVE_SECURE_RENEGOTIATION) \ + || defined(HAVE_SERVER_RENEGOTIATION_INFO) + int secure_rene_count; /* how many times */ + SecureRenegotiation* secure_renegotiation; /* valid pointer indicates */ + #endif /* user turned on */ + #ifdef HAVE_ALPN + char* alpn_client_list; /* keep the client's list */ + #if defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY) + CallbackALPNSelect alpnSelect; + void* alpnSelectArg; + #endif + #endif /* of accepted protocols */ + #if !defined(NO_WOLFSSL_CLIENT) && defined(HAVE_SESSION_TICKET) + CallbackSessionTicket session_ticket_cb; + void* session_ticket_ctx; + byte expect_session_ticket; + #endif +#endif /* HAVE_TLS_EXTENSIONS */ +#ifdef HAVE_OCSP + void* ocspIOCtx; + #ifdef OPENSSL_EXTRA + byte* ocspResp; + int ocspRespSz; + #if defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY) + char* url; + #endif + #endif +#endif +#ifdef HAVE_NETX + NetX_Ctx nxCtx; /* NetX IO Context */ +#endif +#if defined(WOLFSSL_APACHE_MYNEWT) && !defined(WOLFSSL_LWIP) + void* mnCtx; /* mynewt mn_socket IO Context */ +#endif /* defined(WOLFSSL_APACHE_MYNEWT) && !defined(WOLFSSL_LWIP) */ +#ifdef WOLFSSL_GNRC + struct gnrc_wolfssl_ctx *gnrcCtx; /* Riot-OS GNRC UDP/IP context */ +#endif +#ifdef SESSION_INDEX + int sessionIndex; /* Session's location in the cache. */ +#endif +#ifdef ATOMIC_USER + void* MacEncryptCtx; /* Atomic User Mac/Encrypt Callback Context */ + void* DecryptVerifyCtx; /* Atomic User Decrypt/Verify Callback Context */ + #ifdef HAVE_ENCRYPT_THEN_MAC + void* EncryptMacCtx; /* Atomic User Encrypt/Mac Callback Ctx */ + void* VerifyDecryptCtx; /* Atomic User Verify/Decrypt Callback Ctx */ + #endif +#endif +#ifdef HAVE_PK_CALLBACKS + #ifdef HAVE_ECC + void* EccKeyGenCtx; /* EccKeyGen Callback Context */ + void* EccSignCtx; /* Ecc Sign Callback Context */ + void* EccVerifyCtx; /* Ecc Verify Callback Context */ + void* EccSharedSecretCtx; /* Ecc Pms Callback Context */ + #ifdef HAVE_ED25519 + void* Ed25519SignCtx; /* ED25519 Sign Callback Context */ + void* Ed25519VerifyCtx; /* ED25519 Verify Callback Context */ + #endif + #ifdef HAVE_CURVE25519 + void* X25519KeyGenCtx; /* X25519 KeyGen Callback Context */ + void* X25519SharedSecretCtx; /* X25519 Pms Callback Context */ + #endif + #ifdef HAVE_ED448 + void* Ed448SignCtx; /* ED448 Sign Callback Context */ + void* Ed448VerifyCtx; /* ED448 Verify Callback Context */ + #endif + #ifdef HAVE_CURVE448 + void* X448KeyGenCtx; /* X448 KeyGen Callback Context */ + void* X448SharedSecretCtx; /* X448 Pms Callback Context */ + #endif + #endif /* HAVE_ECC */ + #ifndef NO_DH + void* DhAgreeCtx; /* DH Pms Callback Context */ + #endif /* !NO_DH */ + #ifndef NO_RSA + void* RsaSignCtx; /* Rsa Sign Callback Context */ + void* RsaVerifyCtx; /* Rsa Verify Callback Context */ + #ifdef WC_RSA_PSS + void* RsaPssSignCtx; /* Rsa PSS Sign Callback Context */ + void* RsaPssVerifyCtx; /* Rsa PSS Verify Callback Context */ + #endif + void* RsaEncCtx; /* Rsa Public Encrypt Callback Context */ + void* RsaDecCtx; /* Rsa Private Decrypt Callback Context */ + #endif /* NO_RSA */ +#endif /* HAVE_PK_CALLBACKS */ +#ifdef HAVE_SECRET_CALLBACK + SessionSecretCb sessionSecretCb; + void* sessionSecretCtx; + #ifdef WOLFSSL_TLS13 + Tls13SecretCb tls13SecretCb; + void* tls13SecretCtx; + #endif +#endif /* HAVE_SECRET_CALLBACK */ +#ifdef WOLFSSL_JNI + void* jObjectRef; /* reference to WolfSSLSession in JNI wrapper */ +#endif /* WOLFSSL_JNI */ +#ifdef WOLFSSL_EARLY_DATA + EarlyDataState earlyData; + word32 earlyDataSz; +#endif +#ifdef OPENSSL_ALL + long verifyCallbackResult; +#endif +#if defined(OPENSSL_ALL) || defined(WOLFSSL_QT) + WOLFSSL_STACK* supportedCiphers; /* Used in wolfSSL_get_ciphers_compat */ + WOLFSSL_STACK* peerCertChain; /* Used in wolfSSL_get_peer_cert_chain */ +#endif +}; + + +WOLFSSL_LOCAL int SSL_CTX_RefCount(WOLFSSL_CTX* ctx, int incr); +WOLFSSL_LOCAL int SetSSL_CTX(WOLFSSL*, WOLFSSL_CTX*, int); +WOLFSSL_LOCAL int InitSSL(WOLFSSL*, WOLFSSL_CTX*, int); +WOLFSSL_LOCAL void FreeSSL(WOLFSSL*, void* heap); +WOLFSSL_API void SSL_ResourceFree(WOLFSSL*); /* Micrium uses */ + + +#ifndef NO_CERTS + + WOLFSSL_LOCAL int ProcessBuffer(WOLFSSL_CTX* ctx, const unsigned char* buff, + long sz, int format, int type, WOLFSSL* ssl, + long* used, int userChain, int verify); + WOLFSSL_LOCAL int ProcessFile(WOLFSSL_CTX* ctx, const char* fname, int format, + int type, WOLFSSL* ssl, int userChain, + WOLFSSL_CRL* crl, int verify); + + #ifdef OPENSSL_EXTRA + WOLFSSL_LOCAL int CheckHostName(DecodedCert* dCert, char *domainName, + size_t domainNameLen); + #endif +#endif + + +#if defined(WOLFSSL_CALLBACKS) || defined(OPENSSL_EXTRA) + WOLFSSL_LOCAL + void InitHandShakeInfo(HandShakeInfo*, WOLFSSL*); + WOLFSSL_LOCAL + void FinishHandShakeInfo(HandShakeInfo*); + WOLFSSL_LOCAL + void AddPacketName(WOLFSSL* ssl, const char* name); + + WOLFSSL_LOCAL + void InitTimeoutInfo(TimeoutInfo*); + WOLFSSL_LOCAL + void FreeTimeoutInfo(TimeoutInfo*, void*); + WOLFSSL_LOCAL + void AddPacketInfo(WOLFSSL* ssl, const char* name, int type, + const byte* data, int sz, int write, void* heap); + WOLFSSL_LOCAL + void AddLateName(const char*, TimeoutInfo*); + WOLFSSL_LOCAL + void AddLateRecordHeader(const RecordLayerHeader* rl, TimeoutInfo* info); +#endif + + +/* Record Layer Header identifier from page 12 */ +enum ContentType { + no_type = 0, + change_cipher_spec = 20, + alert = 21, + handshake = 22, + application_data = 23 +}; + + +/* handshake header, same for each message type, pgs 20/21 */ +typedef struct HandShakeHeader { + byte type; + word24 length; +} HandShakeHeader; + + +/* DTLS handshake header, same for each message type */ +typedef struct DtlsHandShakeHeader { + byte type; + word24 length; + byte message_seq[2]; /* start at 0, retransmit gets same # */ + word24 fragment_offset; /* bytes in previous fragments */ + word24 fragment_length; /* length of this fragment */ +} DtlsHandShakeHeader; + + +enum HandShakeType { + hello_request = 0, + client_hello = 1, + server_hello = 2, + hello_verify_request = 3, /* DTLS addition */ + session_ticket = 4, + end_of_early_data = 5, + hello_retry_request = 6, + encrypted_extensions = 8, + certificate = 11, + server_key_exchange = 12, + certificate_request = 13, + server_hello_done = 14, + certificate_verify = 15, + client_key_exchange = 16, + finished = 20, + certificate_status = 22, + key_update = 24, + change_cipher_hs = 55, /* simulate unique handshake type for sanity + checks. record layer change_cipher + conflicts with handshake finished */ + message_hash = 254, /* synthetic message type for TLS v1.3 */ + no_shake = 255 /* used to initialize the DtlsMsg record */ +}; + +enum ProvisionSide { + PROVISION_CLIENT = 1, + PROVISION_SERVER = 2, + PROVISION_CLIENT_SERVER = 3 +}; + + +static const byte client[SIZEOF_SENDER] = { 0x43, 0x4C, 0x4E, 0x54 }; +static const byte server[SIZEOF_SENDER] = { 0x53, 0x52, 0x56, 0x52 }; + +static const byte tls_client[FINISHED_LABEL_SZ + 1] = "client finished"; +static const byte tls_server[FINISHED_LABEL_SZ + 1] = "server finished"; + +#ifdef OPENSSL_EXTRA +typedef struct { + int name_len; + const char *name; + int nid; +} WOLF_EC_NIST_NAME; +extern const WOLF_EC_NIST_NAME kNistCurves[]; +/* This is the longest and shortest curve name in the kNistCurves list */ +#define kNistCurves_MIN_NAME_LEN 5 +#define kNistCurves_MAX_NAME_LEN 7 +#endif + +/* internal functions */ +WOLFSSL_LOCAL int SendChangeCipher(WOLFSSL*); +WOLFSSL_LOCAL int SendTicket(WOLFSSL*); +WOLFSSL_LOCAL int DoClientTicket(WOLFSSL*, const byte*, word32); +WOLFSSL_LOCAL int SendData(WOLFSSL*, const void*, int); +#ifdef WOLFSSL_TLS13 +#ifdef WOLFSSL_TLS13_DRAFT_18 +WOLFSSL_LOCAL int SendTls13HelloRetryRequest(WOLFSSL*); +#else +WOLFSSL_LOCAL int SendTls13ServerHello(WOLFSSL*, byte); +#endif +#endif +WOLFSSL_LOCAL int SendCertificate(WOLFSSL*); +WOLFSSL_LOCAL int SendCertificateRequest(WOLFSSL*); +#if defined(HAVE_CERTIFICATE_STATUS_REQUEST) \ + || defined(HAVE_CERTIFICATE_STATUS_REQUEST_V2) +WOLFSSL_LOCAL int CreateOcspResponse(WOLFSSL*, OcspRequest**, buffer*); +#endif +#if defined(HAVE_SECURE_RENEGOTIATION) && \ + defined(HAVE_SERVER_RENEGOTIATION_INFO) +WOLFSSL_LOCAL int SendHelloRequest(WOLFSSL*); +#endif +WOLFSSL_LOCAL int SendCertificateStatus(WOLFSSL*); +WOLFSSL_LOCAL int SendServerKeyExchange(WOLFSSL*); +WOLFSSL_LOCAL int SendBuffered(WOLFSSL*); +WOLFSSL_LOCAL int ReceiveData(WOLFSSL*, byte*, int, int); +WOLFSSL_LOCAL int SendFinished(WOLFSSL*); +WOLFSSL_LOCAL int SendAlert(WOLFSSL*, int, int); +WOLFSSL_LOCAL int ProcessReply(WOLFSSL*); + +WOLFSSL_LOCAL int SetCipherSpecs(WOLFSSL*); +WOLFSSL_LOCAL int MakeMasterSecret(WOLFSSL*); + +WOLFSSL_LOCAL int AddSession(WOLFSSL*); +WOLFSSL_LOCAL int DeriveKeys(WOLFSSL* ssl); +WOLFSSL_LOCAL int StoreKeys(WOLFSSL* ssl, const byte* keyData, int side); + +WOLFSSL_LOCAL int IsTLS(const WOLFSSL* ssl); +WOLFSSL_LOCAL int IsAtLeastTLSv1_2(const WOLFSSL* ssl); +WOLFSSL_LOCAL int IsAtLeastTLSv1_3(const ProtocolVersion pv); + +WOLFSSL_LOCAL void FreeHandshakeResources(WOLFSSL* ssl); +WOLFSSL_LOCAL void ShrinkInputBuffer(WOLFSSL* ssl, int forcedFree); +WOLFSSL_LOCAL void ShrinkOutputBuffer(WOLFSSL* ssl); + +WOLFSSL_LOCAL int VerifyClientSuite(WOLFSSL* ssl); + +WOLFSSL_LOCAL int SetTicket(WOLFSSL*, const byte*, word32); +WOLFSSL_LOCAL int wolfSSL_GetMaxRecordSize(WOLFSSL* ssl, int maxFragment); + +#if defined(OPENSSL_EXTRA) && defined(HAVE_ECC) +WOLFSSL_LOCAL int SetECKeyInternal(WOLFSSL_EC_KEY* eckey); +WOLFSSL_LOCAL int SetECKeyExternal(WOLFSSL_EC_KEY* eckey); +#endif + +WOLFSSL_LOCAL WC_RNG* WOLFSSL_RSA_GetRNG(WOLFSSL_RSA *rsa, WC_RNG **tmpRNG, + int *initTmpRng); + +#ifndef NO_CERTS + #ifndef NO_RSA + #ifdef WC_RSA_PSS + WOLFSSL_LOCAL int CheckRsaPssPadding(const byte* plain, word32 plainSz, + byte* out, word32 sigSz, enum wc_HashType hashType); + WOLFSSL_LOCAL int ConvertHashPss(int hashAlgo, + enum wc_HashType* hashType, int* mgf); + #endif + WOLFSSL_LOCAL int VerifyRsaSign(WOLFSSL* ssl, byte* verifySig, + word32 sigSz, const byte* plain, word32 plainSz, int sigAlgo, + int hashAlgo, RsaKey* key, DerBuffer* keyBufInfo); + WOLFSSL_LOCAL int RsaSign(WOLFSSL* ssl, const byte* in, word32 inSz, + byte* out, word32* outSz, int sigAlgo, int hashAlgo, RsaKey* key, + DerBuffer* keyBufInfo); + WOLFSSL_LOCAL int RsaVerify(WOLFSSL* ssl, byte* in, word32 inSz, + byte** out, int sigAlgo, int hashAlgo, RsaKey* key, + buffer* keyBufInfo); + WOLFSSL_LOCAL int RsaDec(WOLFSSL* ssl, byte* in, word32 inSz, byte** out, + word32* outSz, RsaKey* key, DerBuffer* keyBufInfo); + WOLFSSL_LOCAL int RsaEnc(WOLFSSL* ssl, const byte* in, word32 inSz, byte* out, + word32* outSz, RsaKey* key, buffer* keyBufInfo); + #endif /* !NO_RSA */ + + #ifdef HAVE_ECC + WOLFSSL_LOCAL int EccSign(WOLFSSL* ssl, const byte* in, word32 inSz, + byte* out, word32* outSz, ecc_key* key, DerBuffer* keyBufInfo); + WOLFSSL_LOCAL int EccVerify(WOLFSSL* ssl, const byte* in, word32 inSz, + const byte* out, word32 outSz, ecc_key* key, buffer* keyBufInfo); + WOLFSSL_LOCAL int EccSharedSecret(WOLFSSL* ssl, ecc_key* priv_key, + ecc_key* pub_key, byte* pubKeyDer, word32* pubKeySz, byte* out, + word32* outlen, int side); + #endif /* HAVE_ECC */ + #ifdef HAVE_ED25519 + WOLFSSL_LOCAL int Ed25519CheckPubKey(WOLFSSL* ssl); + WOLFSSL_LOCAL int Ed25519Sign(WOLFSSL* ssl, const byte* in, word32 inSz, + byte* out, word32* outSz, ed25519_key* key, DerBuffer* keyBufInfo); + WOLFSSL_LOCAL int Ed25519Verify(WOLFSSL* ssl, const byte* in, + word32 inSz, const byte* msg, word32 msgSz, ed25519_key* key, + buffer* keyBufInfo); + #endif /* HAVE_ED25519 */ + #ifdef HAVE_ED448 + WOLFSSL_LOCAL int Ed448CheckPubKey(WOLFSSL* ssl); + WOLFSSL_LOCAL int Ed448Sign(WOLFSSL* ssl, const byte* in, word32 inSz, + byte* out, word32* outSz, ed448_key* key, DerBuffer* keyBufInfo); + WOLFSSL_LOCAL int Ed448Verify(WOLFSSL* ssl, const byte* in, + word32 inSz, const byte* msg, word32 msgSz, ed448_key* key, + buffer* keyBufInfo); + #endif /* HAVE_ED448 */ + + + #ifdef WOLFSSL_TRUST_PEER_CERT + + /* options for searching hash table for a matching trusted peer cert */ + #define WC_MATCH_SKID 0 + #define WC_MATCH_NAME 1 + + WOLFSSL_LOCAL TrustedPeerCert* GetTrustedPeer(void* vp, byte* hash, + int type); + WOLFSSL_LOCAL int MatchTrustedPeer(TrustedPeerCert* tp, + DecodedCert* cert); + #endif + + WOLFSSL_LOCAL Signer* GetCA(void* cm, byte* hash); + #ifndef NO_SKID + WOLFSSL_LOCAL Signer* GetCAByName(void* cm, byte* hash); + #endif +#endif /* !NO_CERTS */ +WOLFSSL_LOCAL int BuildTlsHandshakeHash(WOLFSSL* ssl, byte* hash, + word32* hashLen); +WOLFSSL_LOCAL int BuildTlsFinished(WOLFSSL* ssl, Hashes* hashes, + const byte* sender); +WOLFSSL_LOCAL void FreeArrays(WOLFSSL* ssl, int keep); +WOLFSSL_LOCAL int CheckAvailableSize(WOLFSSL *ssl, int size); +WOLFSSL_LOCAL int GrowInputBuffer(WOLFSSL* ssl, int size, int usedLength); + +#ifndef NO_TLS + WOLFSSL_LOCAL int MakeTlsMasterSecret(WOLFSSL*); +#ifndef WOLFSSL_AEAD_ONLY + WOLFSSL_LOCAL int TLS_hmac(WOLFSSL* ssl, byte* digest, const byte* in, + word32 sz, int padSz, int content, int verify); +#endif +#endif + +#ifndef NO_WOLFSSL_CLIENT + WOLFSSL_LOCAL int SendClientHello(WOLFSSL*); + #ifdef WOLFSSL_TLS13 + WOLFSSL_LOCAL int SendTls13ClientHello(WOLFSSL*); + #endif + WOLFSSL_LOCAL int SendClientKeyExchange(WOLFSSL*); + WOLFSSL_LOCAL int SendCertificateVerify(WOLFSSL*); +#endif /* NO_WOLFSSL_CLIENT */ + +#ifndef NO_WOLFSSL_SERVER + WOLFSSL_LOCAL int SendServerHello(WOLFSSL*); + WOLFSSL_LOCAL int SendServerHelloDone(WOLFSSL*); +#endif /* NO_WOLFSSL_SERVER */ + +#ifdef WOLFSSL_DTLS + WOLFSSL_LOCAL DtlsMsg* DtlsMsgNew(word32, void*); + WOLFSSL_LOCAL void DtlsMsgDelete(DtlsMsg*, void*); + WOLFSSL_LOCAL void DtlsMsgListDelete(DtlsMsg*, void*); + WOLFSSL_LOCAL int DtlsMsgSet(DtlsMsg*, word32, const byte*, byte, + word32, word32, void*); + WOLFSSL_LOCAL DtlsMsg* DtlsMsgFind(DtlsMsg*, word32); + WOLFSSL_LOCAL void DtlsMsgStore(WOLFSSL*, word32, const byte*, word32, + byte, word32, word32, void*); + WOLFSSL_LOCAL DtlsMsg* DtlsMsgInsert(DtlsMsg*, DtlsMsg*); + + WOLFSSL_LOCAL int DtlsMsgPoolSave(WOLFSSL*, const byte*, word32); + WOLFSSL_LOCAL int DtlsMsgPoolTimeout(WOLFSSL*); + WOLFSSL_LOCAL int VerifyForDtlsMsgPoolSend(WOLFSSL*, byte, word32); + WOLFSSL_LOCAL void DtlsMsgPoolReset(WOLFSSL*); + WOLFSSL_LOCAL int DtlsMsgPoolSend(WOLFSSL*, int); +#endif /* WOLFSSL_DTLS */ + +#ifndef NO_TLS + + +#endif /* NO_TLS */ + +#if defined(WOLFSSL_TLS13) && (defined(HAVE_SESSION_TICKET) || !defined(NO_PSK)) + WOLFSSL_LOCAL word32 TimeNowInMilliseconds(void); +#endif +WOLFSSL_LOCAL word32 LowResTimer(void); + +#ifndef NO_CERTS + WOLFSSL_LOCAL void InitX509Name(WOLFSSL_X509_NAME*, int); + WOLFSSL_LOCAL void FreeX509Name(WOLFSSL_X509_NAME* name, void* heap); + WOLFSSL_LOCAL void InitX509(WOLFSSL_X509*, int, void* heap); + WOLFSSL_LOCAL void FreeX509(WOLFSSL_X509*); + WOLFSSL_LOCAL int CopyDecodedToX509(WOLFSSL_X509*, DecodedCert*); +#endif + +#ifndef MAX_CIPHER_NAME +#define MAX_CIPHER_NAME 50 +#endif + +#ifdef WOLFSSL_NAMES_STATIC +typedef char cipher_name[MAX_CIPHER_NAME]; +#else +typedef const char* cipher_name; +#endif + +typedef struct CipherSuiteInfo { + cipher_name name; +#ifndef NO_ERROR_STRINGS + cipher_name name_iana; +#endif + byte cipherSuite0; + byte cipherSuite; +#if defined(OPENSSL_ALL) || defined(WOLFSSL_QT) + byte minor; + byte major; +#endif +} CipherSuiteInfo; + +WOLFSSL_LOCAL const CipherSuiteInfo* GetCipherNames(void); +WOLFSSL_LOCAL int GetCipherNamesSize(void); +WOLFSSL_LOCAL const char* GetCipherNameInternal(const byte cipherSuite0, const byte cipherSuite); +#if defined(OPENSSL_ALL) || defined(WOLFSSL_QT) +/* used in wolfSSL_sk_CIPHER_description */ +#define MAX_SEGMENTS 5 +#define MAX_SEGMENT_SZ 20 +WOLFSSL_LOCAL int wolfSSL_sk_CIPHER_description(WOLFSSL_CIPHER*); +WOLFSSL_LOCAL const char* GetCipherProtocol(const byte minor); +WOLFSSL_LOCAL const char* GetCipherKeaStr(char n[][MAX_SEGMENT_SZ]); +WOLFSSL_LOCAL const char* GetCipherAuthStr(char n[][MAX_SEGMENT_SZ]); +WOLFSSL_LOCAL const char* GetCipherEncStr(char n[][MAX_SEGMENT_SZ]); +WOLFSSL_LOCAL const char* GetCipherMacStr(char n[][MAX_SEGMENT_SZ]); +WOLFSSL_LOCAL int SetCipherBits(const char* enc); +#endif +WOLFSSL_LOCAL const char* GetCipherNameIana(const byte cipherSuite0, const byte cipherSuite); +WOLFSSL_LOCAL const char* wolfSSL_get_cipher_name_internal(WOLFSSL* ssl); +WOLFSSL_LOCAL const char* wolfSSL_get_cipher_name_iana(WOLFSSL* ssl); +WOLFSSL_LOCAL int GetCipherSuiteFromName(const char* name, byte* cipherSuite0, + byte* cipherSuite); + +enum encrypt_side { + ENCRYPT_SIDE_ONLY = 1, + DECRYPT_SIDE_ONLY, + ENCRYPT_AND_DECRYPT_SIDE +}; + +WOLFSSL_LOCAL int SetKeysSide(WOLFSSL*, enum encrypt_side); + +/* Set*Internal and Set*External functions */ +WOLFSSL_LOCAL int SetDsaInternal(WOLFSSL_DSA* dsa); +WOLFSSL_LOCAL int SetDsaExternal(WOLFSSL_DSA* dsa); +#ifndef HAVE_USER_RSA +WOLFSSL_LOCAL int SetRsaExternal(WOLFSSL_RSA* rsa); +WOLFSSL_LOCAL int SetRsaInternal(WOLFSSL_RSA* rsa); +#endif +WOLFSSL_LOCAL int SetDhInternal(WOLFSSL_DH* dh); +WOLFSSL_LOCAL int SetDhExternal(WOLFSSL_DH *dh); + +#ifndef NO_DH + WOLFSSL_LOCAL int DhGenKeyPair(WOLFSSL* ssl, DhKey* dhKey, + byte* priv, word32* privSz, + byte* pub, word32* pubSz); + WOLFSSL_LOCAL int DhAgree(WOLFSSL* ssl, DhKey* dhKey, + const byte* priv, word32 privSz, + const byte* otherPub, word32 otherPubSz, + byte* agree, word32* agreeSz); +#endif /* !NO_DH */ + +#ifdef HAVE_ECC + WOLFSSL_LOCAL int EccMakeKey(WOLFSSL* ssl, ecc_key* key, ecc_key* peer); + WOLFSSL_LOCAL word16 GetCurveByOID(int oidSum); +#endif + +WOLFSSL_LOCAL int InitHandshakeHashes(WOLFSSL* ssl); +WOLFSSL_LOCAL void FreeHandshakeHashes(WOLFSSL* ssl); + +WOLFSSL_LOCAL int BuildMessage(WOLFSSL* ssl, byte* output, int outSz, + const byte* input, int inSz, int type, int hashOutput, + int sizeOnly, int asyncOkay); + +#ifdef WOLFSSL_TLS13 +int BuildTls13Message(WOLFSSL* ssl, byte* output, int outSz, const byte* input, + int inSz, int type, int hashOutput, int sizeOnly, int asyncOkay); +#endif + +WOLFSSL_LOCAL int AllocKey(WOLFSSL* ssl, int type, void** pKey); +WOLFSSL_LOCAL void FreeKey(WOLFSSL* ssl, int type, void** pKey); + +#ifdef WOLFSSL_ASYNC_CRYPT + WOLFSSL_LOCAL int wolfSSL_AsyncInit(WOLFSSL* ssl, WC_ASYNC_DEV* asyncDev, word32 flags); + WOLFSSL_LOCAL int wolfSSL_AsyncPop(WOLFSSL* ssl, byte* state); + WOLFSSL_LOCAL int wolfSSL_AsyncPush(WOLFSSL* ssl, WC_ASYNC_DEV* asyncDev); +#endif + + +#ifdef __cplusplus + } /* extern "C" */ +#endif + +#endif /* wolfSSL_INT_H */ |